add missing @override (#975)

* no effective code change: add missing @override in "io.ebean.*" package
* no effective code change: add missing @override in "io.ebeaninternal.api.*" package
* no effective code change: add missing @override in "io.ebeaninternal.server.*" package
* no effective code change: add missing @override in "io.ebeaninternal.util.*" package
* no effective code change: add missing @override in "io.ebeanservice.*" package
* no effective code change: add missing @override in "src/test/java/"

src/main/java/io/ebeaninternal/api/ScopeTrans.java

@@ -105,6 +105,7 @@ public class ScopeTrans implements Thread.UncaughtExceptionHandler {
    * Called when the Thread catches any uncaught exception.
    * For example, an unexpected NullPointerException or Error.
    */
+  @Override
   public void uncaughtException(Thread thread, Throwable e) {
 
     // rollback transaction if required