Fix hardcoded overhead size in commit log test.

Patch by Benedict, reviewed by brandonwilliams for CASSANDRA-6974
More aggressive waiting in KeyCacheTest

Patch by Benedict, reviewed by brandonwilliams for CASSANDRA-7167
Make StreamSession more thread safe

patch by sankalp kohli; reviewed by yukim for CASSANDRA-7092
Merge branch 'cassandra-2.0' into cassandra-2.1
Fix long where int needed in commitlog segment.

Patch by Benedict, reviewed by brandonwilliams for CASSANDRA-7199
Work around netty offheap capacity check bug

patch by tjake; reviewed by Mikhail Stepura for CASSANDRA-7196
Fix IllegalStateException in CqlPagingRecordReader for inputPageRowSize

patch by btheisen reviewed by dbrosius for cassandra-7198
Merge branch 'cassandra-2.0' into cassandra-2.1
Fix repair hang when given CF does not exist

patch by yukim; reviewed by krummas for CASSANDRA-7189
Follow up on CASSANDRA-7189

fix hang when no CF name is given
Allow c* to be shutdown in an embedded mode - make SlabPoolCleaner a daemon

patch by dbrosius reviewed by jbellis for cassandra-5635
Followup to CASSANDRA-6916 - only close bf if we have not opened early.

Patch by benedict; reviewed by marcuse for CASSANDRA-6916.
Remove (buggy) duplicate call to Frame.release
Quiet the unsafe use warning during build
Merge branch 'cassandra-2.0' into cassandra-2.1
Fix the InvertedIndex trigger example

patch by Anthony Cozzie; reviewed by Aleksey Yeschenko for CASSANDRA-7211
Merge branch 'cassandra-2.0' into cassandra-2.1

Conflicts:
	CHANGES.txt
	examples/triggers/src/org/apache/cassandra/triggers/InvertedIndex.java
I love CHANGES.txt