Merge pull request #549 from playframework/update/ebean-15.11.0

ebean 15.11.0 (was 15.8.2)

Author: mkurz

project/Dependencies.scala

@@ -16,7 +16,7 @@ object Dependencies {
 
   object Versions {
     val play: String   = "3.1.0-M2"
-    val ebean          = "15.8.2"
+    val ebean          = "15.11.0"
     val typesafeConfig = "1.4.3"
   }