HHH-9010: Revert "HHH-8961 corrected test failure"

This reverts commit 64acebb5a975f3df0c47e593582008a417f3160d.
HHH-9010: Revert "HHH-8961 Reduce allocation cost of org.hibernate.cache.spi.CacheKey instances"

This reverts commit 539866b773793bb677d15aad58a1d534ca8f32a1.
HHH-9017 correct HSQL pooled sequences
HHH-7072 force recreation of element collections of components with all
nullable properties
HHH-7072 correcting test failure
HHH-9024 correct TypedValue transients during de-serialization
HHH-9028 Test case: when second level cache is enabled, the session returns the objects even if the class doesn't match
HHH-9028 corrected Session#get for caching w/ polymorphism, improved
tests
HHH-7534 completed test case
HHH-9034 ASTParserLoadingTest fails with postgresplus92
HHH-9037 Simplified debugging by improving the ClassCastException message from JavassistLazyInitializer.
HHH-8815 Updated example code for session scoped interceptor
HHH-9039 Update collection_mapping.xml typos
HHH-9039 Typo
HHH-8374: Treat an entity wrapped by hibernate proxy equals a raw entity
HHH-8374 test case
HHH-9040 Added halt on error support for scripts importing

Conflicts:
	hibernate-core/src/main/java/org/hibernate/tool/hbm2ddl/SchemaExport.java
HHH-9002 : Fetch many-to-many order by
HHH-8966 - Redo the MetadataBuilder process;
HHH-8956 - TLC for annotation pre-processor;
HHH-8962 - Create a set of light reflection classes;
HHH-8932 - Need to integrate JPA 2.1 AttributeConverters into new metamodel binding
HHH-9052 ASTParserLoadingTest.testBooleanPredicate fails on most
databases