modify play version 2.3.0

Author: tsuyoshizawa

project/Build.scala

@@ -4,9 +4,9 @@ import Keys._
 object ScalaOAuth2Build extends Build {
 
   lazy val _organization = "com.nulab-inc"
-  lazy val _version =  "0.7.1-SNAPSHOT"
+  lazy val _version =  "0.7.1"
   def _playVersion(version: String) = version match {
-    case "2.11.0" => "2.3.0-RC2"
+    case "2.11.0" => "2.3.0"
     case _ => "2.2.3"
   }