Update dependency to use thin jar in Maven central

Author: takezoe

build.sbt

@@ -1,4 +1,4 @@
-val Organization = "gitbucket"
+val Organization = "io.github.gitbucket"
 val ProjectName = "gitbucket-gist-plugin"
 val ProjectVersion = "4.3.0"
 
@@ -9,15 +9,10 @@ name := ProjectName
 version := ProjectVersion
 scalaVersion := "2.11.8"
 
-resolvers ++= Seq(
-  "amateras-repo" at "http://amateras.sourceforge.jp/mvn/",
-  "amateras-snapshot-repo" at "http://amateras.sourceforge.jp/mvn-snapshot/"
-)
-
 libraryDependencies ++= Seq(
-  "gitbucket"          % "gitbucket-assembly" % "4.3.0" % "provided",
-  "com.typesafe.play" %% "twirl-compiler"     % "1.0.4" % "provided",
-  "javax.servlet"      % "javax.servlet-api"  % "3.1.0" % "provided"
+  "io.github.gitbucket" %% "gitbucket"          % "4.3.0" % "provided",
+  "com.typesafe.play"   %% "twirl-compiler"     % "1.0.4" % "provided",
+  "javax.servlet"        % "javax.servlet-api"  % "3.1.0" % "provided"
 )
 
 scalacOptions := Seq("-deprecation", "-feature", "-language:postfixOps")