add/update sbt plugins

Author: yaroot

build.sbt

@@ -1,18 +1,12 @@
 organization  := "gitbucket"
-
 name          := "pages-plugin"
-
-version       := "0.5-SNAPSHOT"
-
 scalaVersion  := "2.11.8"
-
 scalacOptions := Seq("-unchecked", "-deprecation", "-encoding", "utf8", "-feature")
 
 resolvers += Resolver.jcenterRepo
-
 resolvers += "amateras-repo" at "http://amateras.sourceforge.jp/mvn/"
 
 libraryDependencies ++= Seq(
-  "gitbucket"          % "gitbucket-assembly" % "3.13.0"  % "provided",
+  "gitbucket"          % "gitbucket-assembly" % "4.0.0"   % "provided",
   "javax.servlet"      % "javax.servlet-api"  % "3.1.0"   % "provided"
 )

project/plugins.sbt

@@ -1 +1,7 @@
 addSbtPlugin("org.scalariform" % "sbt-scalariform" % "1.6.0")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.13.0")
+addSbtPlugin("net.virtual-void" % "sbt-dependency-graph" % "0.8.2")
+addSbtPlugin("com.timushev.sbt" % "sbt-updates" % "0.1.10")
+addSbtPlugin("com.typesafe.sbt" % "sbt-license-report" % "1.1.0")
+addSbtPlugin("com.typesafe.sbt" % "sbt-git" % "0.8.5")
+addSbtPlugin("de.heikoseeberger" % "sbt-header" % "1.5.1")

version.sbt

@@ -0,0 +1,4 @@
+useJGit
+enablePlugins(GitVersioning)
+git.useGitDescribe := true
+git.uncommittedSignifier := None