Merge pull request sbt#378 from xuwei-k/sbt-2-final

sbt 2.0.0

Author: mkurz

build.sbt

@@ -24,7 +24,7 @@ libraryDependencies ++= Seq(
 (pluginCrossBuild / sbtVersion) := {
   scalaBinaryVersion.value match {
     case "2.12" => "1.5.8"
-    case _ => "2.0.0-RC11"
+    case _ => "2.0.0"
   }
 }