diff --git a/angular/package-lock.json b/angular/package-lock.json
index af0fa1b..cd7b9ea 100644
--- a/angular/package-lock.json
+++ b/angular/package-lock.json
@@ -78,6 +78,14 @@
         "webpack-dev-server": "2.4.5",
         "webpack-merge": "2.6.1",
         "zone.js": "0.8.26"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+          "dev": true
+        }
       }
     },
     "@angular/common": {
@@ -292,7 +300,7 @@
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         "semver": {
           "version": "5.0.3",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
           "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no=",
           "dev": true
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@@ -403,13 +411,15 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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       "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
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       "dev": true,
+      "optional": true,
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@@ -538,7 +548,7 @@
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-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "dev": true,
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@@ -935,6 +945,7 @@
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       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
       "dev": true,
+      "optional": true,
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@@ -1217,7 +1228,7 @@
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-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "dev": true,
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@@ -1617,7 +1628,8 @@
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       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "constants-browserify": {
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@@ -2082,7 +2094,7 @@
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         "pify": {
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
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@@ -2098,7 +2110,8 @@
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       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -2179,7 +2192,7 @@
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-          "resolved": "http://registry.npmjs.org/fs-extra/-/fs-extra-0.23.1.tgz",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.23.1.tgz",
           "integrity": "sha1-ZhHbpq3yq43Jxp+rN83fiBgVfj0=",
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@@ -2191,7 +2204,7 @@
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-          "resolved": "http://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
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           "dev": true,
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@@ -2233,7 +2246,7 @@
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-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
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@@ -2360,7 +2373,7 @@
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-          "resolved": "http://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
           "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
           "dev": true,
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@@ -2369,7 +2382,7 @@
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-          "resolved": "http://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
           "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U=",
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@@ -2397,7 +2410,7 @@
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-          "resolved": "http://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
           "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
           "dev": true,
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@@ -2406,7 +2419,7 @@
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-          "resolved": "http://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
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@@ -2693,36 +2706,36 @@
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       "dev": true,
       "requires": {
-        "accepts": "1.3.5",
+        "accepts": "~1.3.5",
         "array-flatten": "1.1.1",
         "body-parser": "1.18.3",
         "content-disposition": "0.5.2",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "cookie": "0.3.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "finalhandler": "1.1.1",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "1.1.2",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "2.0.4",
+        "proxy-addr": "~2.0.4",
         "qs": "6.5.2",
-        "range-parser": "1.2.0",
+        "range-parser": "~1.2.0",
         "safe-buffer": "5.1.2",
         "send": "0.16.2",
         "serve-static": "1.13.2",
         "setprototypeof": "1.1.0",
-        "statuses": "1.4.0",
-        "type-is": "1.6.16",
+        "statuses": "~1.4.0",
+        "type-is": "~1.6.16",
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-        "vary": "1.1.2"
+        "vary": "~1.1.2"
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@@ -2856,7 +2869,7 @@
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     "fast-deep-equal": {
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-      "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
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@@ -2940,7 +2953,7 @@
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-      "resolved": "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
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@@ -3089,7 +3102,8 @@
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           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3110,12 +3124,14 @@
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           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3130,17 +3146,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3257,7 +3276,8 @@
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           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.3.5",
@@ -3269,6 +3289,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -3283,6 +3304,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3290,12 +3312,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3314,6 +3338,7 @@
           "version": "0.5.1",
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           "dev": true,
+          "optional": true,
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@@ -3394,7 +3419,8 @@
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           "version": "1.0.1",
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+          "dev": true,
+          "optional": true
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@@ -3406,6 +3432,7 @@
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+          "optional": true,
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@@ -3491,7 +3518,8 @@
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@@ -3527,6 +3555,7 @@
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@@ -3546,6 +3575,7 @@
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           "dev": true,
+          "optional": true,
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@@ -3589,12 +3619,14 @@
         "wrappy": {
           "version": "1.0.2",
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+          "dev": true,
+          "optional": true
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         "yallist": {
           "version": "3.0.2",
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@@ -3603,6 +3635,7 @@
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       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
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+      "optional": true,
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@@ -3621,6 +3654,7 @@
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@@ -3637,6 +3671,7 @@
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           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
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@@ -3646,6 +3681,7 @@
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@@ -3674,7 +3710,8 @@
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       "integrity": "sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -3792,7 +3829,7 @@
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -3824,7 +3861,7 @@
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-      "resolved": "http://registry.npmjs.org/handlebars/-/handlebars-1.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-1.3.0.tgz",
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@@ -3834,14 +3871,14 @@
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-          "resolved": "http://registry.npmjs.org/async/-/async-0.2.10.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
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-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
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@@ -3851,7 +3888,7 @@
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-          "resolved": "http://registry.npmjs.org/uglify-js/-/uglify-js-2.3.6.tgz",
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-          "resolved": "http://registry.npmjs.org/rsvp/-/rsvp-3.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/rsvp/-/rsvp-3.2.1.tgz",
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@@ -5084,7 +5123,7 @@
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-          "resolved": "http://registry.npmjs.org/jasmine-core/-/jasmine-core-2.99.1.tgz",
+          "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-2.99.1.tgz",
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@@ -5366,7 +5405,7 @@
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
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@@ -5536,7 +5575,7 @@
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -5645,7 +5684,7 @@
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-          "resolved": "http://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
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@@ -5724,7 +5763,8 @@
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@@ -6181,7 +6221,7 @@
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-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
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