Moved to sbt 1.0

Author: takezoe

build.sbt

@@ -1,14 +1,14 @@
 val Organization = "io.github.gitbucket"
 val ProjectName = "gitbucket-gist-plugin"
 val ProjectVersion = "4.10.0"
-val GitBucketVersion = Option(System.getProperty("gitbucket.version")).getOrElse("4.16.0")
+val GitBucketVersion = Option(System.getProperty("gitbucket.version")).getOrElse("4.18.0")
 
 lazy val root = (project in file(".")).enablePlugins(SbtTwirl)
 
 organization := Organization
 name := ProjectName
 version := ProjectVersion
-scalaVersion := "2.12.2"
+scalaVersion := "2.12.4"
 
 libraryDependencies ++= Seq(
   "io.github.gitbucket" %% "gitbucket"         % GitBucketVersion % "provided",

project/build.properties

@@ -1 +1 @@
-sbt.version = 0.13.15
+sbt.version = 1.0.2

project/plugins.sbt

@@ -1,3 +1,3 @@
 logLevel := Level.Warn
 
-addSbtPlugin("com.typesafe.sbt" % "sbt-twirl" % "1.3.0")
+addSbtPlugin("com.typesafe.sbt" % "sbt-twirl" % "1.3.7")