test fix TopicTest add2listenerAndRemoveOne
cosmetic improvement
Made the instance module findbugs-bugs free
one more fix.
Removed the Security module from the findbugs exclusion.

Also solved a findbugs issue where the password was exposed as raw bytes. Since the code wan't used, I think it is ok to remove this method.
Removed commented out exclusion
fix test
fix test
fixes #2039 . Decrements pending tasks in case of RejectedExecution Exception
get back the changes on unrelated method to this pr
minor fix
imports
added a test for the near cache TTL,
added a test for the near cache getting expired due to Idle time out
Merge branch 'master' into nearCachTestFix
remove unncessary latch
Merge branch 'master' into findbugsMajor

Conflicts:
	hazelcast/src/main/java/com/hazelcast/mapreduce/impl/AbstractJob.java
misses test
Merge branch 'master' into nearCachTestFix
cash missed tests (null_Object),  and cash cleared after maxIdleTime  test