Don't shut MessagingService down.

Patch by brandonwilliams, reviewed by Benedict for CASSANDRA-6948
Avoid build failure due to ANTLR timeout

Patch by Ben Chan; reviewed by Tyler Hobbs for CASSANDRA-6991
Fix NPE caused by CASSANDRA-6818

patch by yukim; reviewed by thobbs for CASSANDRA-6984
Schedule schema pull in onChange.

Patch by brandonwilliams, reviewed by Russ Hatch for CASSANDRA-6971
Merge branch 'cassandra-1.2' into cassandra-2.0
fix broken build
Merge branch 'cassandra-1.2' into cassandra-2.0

Conflicts:
	src/java/org/apache/cassandra/service/StorageService.java
Fix concurrency issue for CASSANDRA-6818

patch by yukim; reviewed by thobbs for CASSANDRA-7007
Put nodes into hibernate when join_ring is false.

Patch by brandonwilliams, reviewed by Tyler Hobbs for CASSANDRA-6961
Update changes
Non-droppable verbs shouldn't be dropped from OTC

patch by jasobrown; reviewed by Richard Low for CASSANDRA-6980
Merge remote-tracking branch 'apache/cassandra-1.2' into cassandra-2.0
cleanup
CHANGES
Shutdown batchlog executor in SS#drain()

patch by Sergio Bossa; reviewed by Aleksey Yeschenko for CASSANDRA-7025
Merge branch 'cassandra-1.2' into cassandra-2.0
Fix ticket number in CHANGES
Update versions for 2.0.7 release
merge
Fix batchlog to account for CF truncation records

patch by Aleksey Yeschenko; reviewed by Jonathan Ellis for
CASSANDRA-6999