Fix broken native protocol serialization methods
Require superuser status for adding triggers

patch by Aleksey Yeschenko; reviewed by Jonathan Ellis for
CASSANDRA-5963
Merge branch 'cassandra-2.0' into trunk
Rename clustering keys to clustering columns in doc
Merge branch 'cassandra-1.2' into cassandra-2.0
Merge branch 'cassandra-2.0' into trunk
update build.xml for metrics-core 2.2.0
Merge branch 'cassandra-1.2' into cassandra-2.0
Merge branch 'cassandra-2.0' into trunk
cherry-pick CASSANDRA-5816
Merge branch 'cassandra-2.0' into trunk
Rename in tracing: Index sample -> Partition summary
Merge branch 'cassandra-1.2' into cassandra-2.0
Merge branch 'cassandra-2.0' into trunk
Get rid of redundant this references in equals()
Merge branch 'cassandra-2.0' into trunk
Add missing CommitLogDescriptor version 21.

Patch by cmolter, reviewed by marcuse for CASSANDRA-5984.
typo
Merge branch 'cassandra-1.2' into cassandra-2.0
Merge branch 'cassandra-2.0' into trunk