Fix warnings 2 (#1130)

* FIX: warnings (add generics, overrides, fix imports) - should be no effecive code change

* replaced deprecated methods by default methods

* FIX: more compiler warnings

* FIX more warnings - no code changes

* FIX: deprecated call to JsonParseException

* Remove unused code, check unused variables

src/test/java/org/tests/basic/encrypt/TestEncrypt.java

@@ -53,8 +53,6 @@ public class TestEncrypt extends BaseTestCase {
 
     Ebean.save(e);
 
-    Date earlyDob = new Date(System.currentTimeMillis() - 500000);
-
     SqlQuery q = Ebean.createSqlQuery("select * from e_basicenc where id = :id");
     q.setParameter("id", e.getId());