Merge pull request #464 from oehme/master

Improve performance of QBean.newInstance()
Formatting changes
#463 Improve handling of entity paths in native queries
#463 Update test
#467 Make from arguments optional
#466 Fix distinct handling
Exclude NoFrom test from hsqldb
Reorder test methods
Move union logic to AbstractSQLQuery
Use base class for JPA & Hibernate native query tests
Unify JPA & Hibernate entity handling
Unify Hibernate native query iterate
#465 Add test
Fix failing test
#465 Improve Group handling
#469 Minimize untyped null usage
Remove comments
Fix OSGI template
Make assertions stronger
Remove NullTypes
#417 Improve GroupBy handling for deeper associations