Updates to RemoteCacheManager and JniTest

RemoteCacheManager:
   Added missing isStarted() method
   Added constructor with URL and boolean
   Added constructor with boolean

JniTest:
   Add CacheManagerStoppedTest
   Add three commented out tests that get the "Failed to connect
Operation now in progress" error

Add RemoteCacheManagerNotStartedException to support
CacheManagerStoppedTest
HRCPP-110 Hashing function not update after topology change
HRCPP-111 Improve exception messages related to hostname resolution
Bump to 7.0.0-SNAPSHOT