ACCUMULO-2255 pulled 6 classes out of TabletServer, moved GC checking to a new class, add "final" to many members, grouped members together, changed many public items to private
ACCUMULO-2840 turn audit logging back on for the IT
ACCUMULO-2840 turn audit logging back on for the IT
Merge branch '1.6.1-SNAPSHOT'
ACCUMULO-2858 Ensure that we only look for 'sync' when we couldn't load configured method
Merge branch '1.5.2-SNAPSHOT' into 1.6.1-SNAPSHOT

Conflicts:
	server/tserver/src/main/java/org/apache/accumulo/tserver/log/DfsLogger.java
Merge branch '1.6.1-SNAPSHOT'

Conflicts:
	server/tserver/src/main/java/org/apache/accumulo/tserver/log/DfsLogger.java