test/refactoring: smalles refactoring and create empty test classes
chore(scripting): correct changed packages in imports
test,refactor: add/fix tests, refactor application/* classes

-finish tests for OSGiProcessApplication, BlueprintBundleLocalELResolver
and ProcessApplicationDeployer
-fix ScriptingEngines/ELResolver tests because imports changed
-update Pax Exam to 3.5