log possible SF leaks in test suite
HHH-7205: Added test to show bug exists when execute session.get after session.load for not-existing entity
HHH-7205 test assertion
HHH-7205: Added catching exception for executing session.get when session cache contains proxy for non-existing object
HHH-8845 - More informative error message
HHH-8845 formatting
HHH-3482 Fixed StatelessSession inserting bug + test
HHH-3482 formatting
HHH-8897 - Integrate org.hibernate.metamodel from metamodel branch into master
HHH-8897 - Integrate org.hibernate.metamodel from metamodel branch into master
HHH-8947 Optimize performance of ServiceRegistry for intense lookup, small contents and almost no writes
HHH-8947 Refactor also the Alternative registry to use the new ConcurrentServiceBinding
HHH-8946 Optimize JdbcCoordinatorImpl for CPU performance

- unnecessary HashMap lookups
- size HashMap allocations appropriately
- a leak of tracked statements
- complex logging logic
HHH-8946 corrected bug in register(ResultSet, Statement), improved
javadoc
HHH-8959 : Change values of type ValueHolder<Class> to JavaClassReference
HHH-8959 : Change values of type ValueHolder<Class> to JavaClassReference
HHH-8956 - TLC for annotation pre-processor
HHH-8814 : Sequence generators on HSQLDB starts on 1 by default
HHH-8814 : test case
HHH-8814 simplified the test a bit