get more specific nearCacheConfig fixes ticket 263
changes for readability
Backport: Fixed possible NPE when no explicit classloader was given to the classloader cache
Merge pull request #2148 from noctarius/backport-npe-classloader-cache-fix

Backport: Fixed possible NPE when no explicit classloader was given to t...
* Fixed backup loss issue during graceful shutdown.
* Improved replica sync retry process.
* Refactored partitioning code.
Merge pull request #2129 from gurbuzali/specific-near-cache-config/3.2.1

get more specific nearCacheConfig fixes ticket 263
Suppressed event service log.
Merge pull request #2149 from mdogan/fix/3.2/partition

* Fixed backup loss issue during graceful shutdown.