diff --git a/package-lock.json b/package-lock.json
index a14dccd..f938c95 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -538,6 +538,7 @@
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       "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
       "dev": true,
+      "optional": true,
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         "readable-stream": "2.3.5"
@@ -1169,9 +1170,9 @@
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-      "version": "3.3.7",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-3.3.7.tgz",
-      "integrity": "sha1-WjiTlFSfIzMIdaOxUGVldPip63E="
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.0.0.tgz",
+      "integrity": "sha512-gulJE5dGFo6Q61V/whS6VM4WIyrlydXfCgkE+Gxe5hjrJ8rXLLZlALq7zq2RPhOc45PSwQpJkrTnc2KgD6cvmA=="
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@@ -1453,7 +1454,8 @@
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       "integrity": "sha1-JrOIXRD6E9t/wBquOquHAZngEkw=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -2492,7 +2494,8 @@
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       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -3695,6 +3698,7 @@
           "version": "0.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3719,7 +3723,8 @@
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           "version": "1.0.0",
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-          "dev": true
+          "dev": true,
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@@ -3736,12 +3741,14 @@
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3754,17 +3761,20 @@
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-          "dev": true
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           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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           }
@@ -3804,7 +3814,8 @@
         "delayed-stream": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3836,7 +3847,8 @@
         "extsprintf": {
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           "bundled": true,
-          "dev": true
+          "dev": true,
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@@ -3959,6 +3971,7 @@
           "version": "3.1.3",
           "bundled": true,
           "dev": true,
+          "optional": true,
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             "cryptiles": "2.0.5",
@@ -4006,6 +4019,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4019,7 +4033,8 @@
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           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4092,12 +4107,14 @@
         "mime-db": {
           "version": "1.27.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "mime-types": {
           "version": "2.1.15",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -4173,7 +4190,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "oauth-sign": {
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@@ -4231,7 +4249,8 @@
         "process-nextick-args": {
           "version": "1.0.7",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "punycode": {
           "version": "1.4.1",
@@ -4269,6 +4288,7 @@
           "version": "2.2.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4320,7 +4340,8 @@
         "safe-buffer": {
           "version": "5.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "semver": {
           "version": "5.3.0",
@@ -4344,6 +4365,7 @@
           "version": "1.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -4377,6 +4399,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4387,6 +4410,7 @@
           "version": "1.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.0.1"
           }
@@ -4415,6 +4439,7 @@
           "version": "2.2.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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             "fstream": "1.0.11",
@@ -4470,7 +4495,8 @@
         "util-deprecate": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4508,6 +4534,7 @@
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       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
       "dev": true,
+      "optional": true,
       "requires": {
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         "inherits": "2.0.3",
@@ -4566,6 +4593,7 @@
       "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
       "dev": true,
+      "optional": true,
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         "console-control-strings": "1.1.0",
@@ -4898,7 +4926,8 @@
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       "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
       "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -5199,6 +5228,7 @@
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       "integrity": "sha1-zBzjjkU7+YSg93AtLdWcc9CBKEo=",
       "dev": true,
+      "optional": true,
       "requires": {
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@@ -5250,6 +5280,7 @@
       "resolved": "https://registry.npmjs.org/httpntlm/-/httpntlm-1.6.1.tgz",
       "integrity": "sha1-rQFScUOi6Hc8+uapb1hla7UqNLI=",
       "dev": true,
+      "optional": true,
       "requires": {
         "httpreq": "0.4.24",
         "underscore": "1.7.0"
@@ -5259,7 +5290,8 @@
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       "integrity": "sha1-QzX/2CzZaWaKOUZckprGHWOTYn8=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "https-browserify": {
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@@ -6273,9 +6305,9 @@
       }
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     "karma-jasmine": {
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-      "resolved": "https://registry.npmjs.org/karma-jasmine/-/karma-jasmine-1.1.1.tgz",
-      "integrity": "sha1-b+hA51oRYAydkehLM8RY4cRqNSk=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/karma-jasmine/-/karma-jasmine-2.0.0.tgz",
+      "integrity": "sha512-MxgbjgIkm+BFPoMkkaXb/2zAgRaeSe+ZWI6n+vpx4eisokHsHiZt9WGFj2qPrLXG2qrzEOyorCl8g/nqNXtBgA==",
       "dev": true
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     "karma-jasmine-html-reporter": {
@@ -6285,6 +6317,14 @@
       "dev": true,
       "requires": {
         "karma-jasmine": "1.1.1"
+      },
+      "dependencies": {
+        "karma-jasmine": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/karma-jasmine/-/karma-jasmine-1.1.1.tgz",
+          "integrity": "sha1-b+hA51oRYAydkehLM8RY4cRqNSk=",
+          "dev": true
+        }
       }
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     "karma-source-map-support": {
@@ -6403,6 +6443,7 @@
       "resolved": "https://registry.npmjs.org/libmime/-/libmime-3.0.0.tgz",
       "integrity": "sha1-UaGp50SOy9Ms2lRCFnW7IbwJPaY=",
       "dev": true,
+      "optional": true,
       "requires": {
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         "libbase64": "0.1.0",
@@ -6413,7 +6454,8 @@
           "version": "0.4.15",
           "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.15.tgz",
           "integrity": "sha1-/iZaIYrGpXz+hUkn6dBMGYJe3es=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
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@@ -7370,7 +7412,8 @@
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           "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -7384,6 +7427,7 @@
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           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-styles": "2.2.1",
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@@ -7445,7 +7489,8 @@
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           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "tunnel-agent": {
           "version": "0.4.3",
@@ -7539,7 +7584,8 @@
       "version": "0.1.10",
       "resolved": "https://registry.npmjs.org/nodemailer-wellknown/-/nodemailer-wellknown-0.1.10.tgz",
       "integrity": "sha1-WG24EB2zDLRDjrVGc3pBqtDPE9U=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -7592,6 +7638,7 @@
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       "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
       "dev": true,
+      "optional": true,
       "requires": {
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         "console-control-strings": "1.1.0",
@@ -9542,13 +9589,15 @@
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       "resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-1.1.15.tgz",
       "integrity": "sha1-fxFLW2X6s+KjWqd1uxLw0cZJvxY=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "smtp-connection": {
       "version": "2.12.0",
       "resolved": "https://registry.npmjs.org/smtp-connection/-/smtp-connection-2.12.0.tgz",
       "integrity": "sha1-1275EnyyPCJZ7bHoNJwujV4tdME=",
       "dev": true,
+      "optional": true,
       "requires": {
         "httpntlm": "1.6.1",
         "nodemailer-shared": "1.1.0"
@@ -9802,6 +9851,7 @@
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       "integrity": "sha1-W4t/x8jzQcU+0FbpKbe/Tei6e1o=",
       "dev": true,
+      "optional": true,
       "requires": {
         "ip": "1.1.5",
         "smart-buffer": "1.1.15"
@@ -9812,6 +9862,7 @@
       "resolved": "https://registry.npmjs.org/socks-proxy-agent/-/socks-proxy-agent-2.1.1.tgz",
       "integrity": "sha512-sFtmYqdUK5dAMh85H0LEVFUCO7OhJJe1/z2x/Z6mxp3s7/QPf1RkZmpZy+BpuU0bEjcV9npqKjq9Y3kwFUjnxw==",
       "dev": true,
+      "optional": true,
       "requires": {
         "agent-base": "2.1.1",
         "extend": "3.0.1",
@@ -10718,6 +10769,7 @@
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
+      "optional": true,
       "requires": {
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       }
@@ -10825,7 +10877,8 @@
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
       "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -12458,6 +12511,7 @@
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
       "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
       "dev": true,
+      "optional": true,
       "requires": {
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       }
diff --git a/package.json b/package.json
index d6493df..296ed4e 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "karma": "~2.0.0",
     "karma-chrome-launcher": "~2.2.0",
     "karma-coverage-istanbul-reporter": "^1.2.1",
-    "karma-jasmine": "~1.1.0",
+    "karma-jasmine": "~2.0.0",
     "karma-jasmine-html-reporter": "^0.2.2",
     "protractor": "~5.3.0",
     "ts-node": "~5.0.1",