ISPN-4516 Upgrade to Spring 3.2.9 and ISPN 7, enabled tests, remove unused code
ISPN-4543 Formatting
Delete unused file
ISPN-3480 Remove unused protobin files
ISPN-4306 Properly create the RealmUser when obtaining credentials over GSSAPI
Move ClusteredCacheWithLongIndexNameTest to "unstable" group
ISPN-3938 AdvancedAsyncCacheLoader.process() concurrency issues

Simplify ExecutorAllCompletionService to track the tasks itself instead of
using an ExecutorCompletionService.