Java JRE 8 Update 51

What's new in this version:

Summary of changes:
- New Init.gmk needs improvements
- Improve clean targets
- Tidy warnings cleanup for org/omg
- Incorrect property name documented in CORBA InputStream API
- Reduce calls to the GC specific object visitors in oopDesc
- Remove GenerationSpec array
- Move SharedHeap::print_size_transition() into G1 code
- g1: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
- cms: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
- parallelScavenge: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
- parNew: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
- shared: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
- Move the thread claim parity from SharedHeap to Thread
- Remove unused is_in_partial_collection()
- Remove unused _collector_policy field in SharedHeap
- Remove unused methods mod_card_iterate() and non_clean_card_iterate_serial()
- VirtualSpaceNode container_count() and container_count_slow() have different return types
- Remove DiscoveredListIterator::update_discovered()
- Cleanup of CollectedHeap::kind()
- G1: guarantee fails with UseDynamicNumberOfGCThreads
- Update JAX-WS RI integration to latest version (2.2.11-b150402.1412)
- getNextEntry throws ArrayIndexOutOfBoundsException when unzipping file
- Cannot fully read BitSet.stream() if bit Integer.MAX_VALUE is set
- The specified procedure could not be found in management.dll
- Disable the PKCS11 NSS tests on Windows
- CipherInputStream throws BadPaddingException if stream is not fully read
- Rest of tidy warning in javax.security / java.security
- jimage extract + recreate broken again
- auth.login.LoginContext needs to be updated to work with modules
- Simplify test JImageTest
- Annotations on many Language Model elements are not returned
- Several nashorn tests failing
- Disable dual fields when not using optimistic types