Update versions for 2.0.11
Fix NPE when preparing statements

patch by blere; reviewed by slebresne for CASSANDRA-8090
Extend Descriptor to include a format value and refactor reader/writer apis

patch by tjake; reviewed by Marcus Eriksson for CASSANDRA-7443
Pig: Remove errant LIMIT clause in CqlNativeStorage
Merge branch 'cassandra-2.0' into cassandra-2.1

Conflicts:
	CHANGES.txt
	build.xml
	debian/changelog
Merge branch 'cassandra-2.1' into trunk
Pig: Remove errant LIMIT clause in CqlNativeStorage

Patch by Alex Liu, reviewed by brandonwilliams for CASSANDRA-8166
Merge branch 'cassandra-2.0' into cassandra-2.1

Conflicts:
	CHANGES.txt
Merge branch 'cassandra-2.1' into trunk
move tests back to debug
Merge branch 'cassandra-2.1' into trunk