ISPN-4410 Remove superfluous elements/attributes from server configurations
ISPN-4411 Use server management port 9990 instead of 9999
ISPN-4389 Tests for suppressing state transfer with jmx fail

* Changed so cluster registry cache never has ST disabled
Updated readme file, failsafe plugin single test info
ISPN-4402 Add test for custom audit logger
ISPN-4408 Distribution ZIP file building fails
ISPN-4384 CacheNotifierImplInitialTransferDistTest test instability

* Dist initial transfer could fail erroneously if remote/local batch
* completed at about the same time
ISPN-4409 Upgrade to LevelDB 0.7 and fix server test assertions

* Upgrade to LevelDB 0.7 in order to align with server's Guava
version which currently is 16.x.
* Fixed LevelDB server test assertions to avoid having to instantiate
the cache's marshaller client side.
ISPN-4012 Mark mass indexing tests as unstable
ISPN-4012 Mark mass indexing tests as unstable
Temporarily disable REST security integration tests until  ISPN-4407
ISPN-4412 Fix failing embedded security integration tests
ISPN-4415 Provide correct Managed executor facade and fix XSLT

* Correct executor thread factories needed to be provided according
to the executor being plugged. Scheduled ones need a different facade.
* Fix an XSLT issue so that custom Hot Rod endpoints are added
correctly.
ISPN-3938 AdvancedAsyncCacheLoader.process() concurrency issues

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