Feature/contitional test runner (#1132)

* 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

* ADD: ContitonaltestRunner to skip tests for certain platforms

* Use annotations to control on which platforms a test shoud run

* FIX: compile errors

src/test/java/org/tests/transaction/TestBatchPersistCascade.java

@@ -23,8 +23,6 @@ public class TestBatchPersistCascade extends BaseTestCase {
   @Test
   public void test() {
 
-    if (isSqlServer()) return;
-
     EbeanServer ebeanServer = Ebean.getServer(null);
 
     LoggedSqlCollector.start();