Set version to 0.6.0

Author: notxcain

build.sbt

@@ -5,7 +5,7 @@ val playVer = "2.6.9"
 lazy val commonSettings = Seq(
   organization := "com.whisk",
   scalaVersion := "2.12.6",
-  version := "0.5.0.rc2",
+  version := "0.6.0",
   licenses += ("MIT", url("http://opensource.org/licenses/MIT")),
   publishMavenStyle := true,
   credentials += Credentials(Path.userHome / ".m2" / ".credentials"),