Versions update for 1.2.18
Add property to disable stcs in L0

Patch by marcuse; reviewed by tjake for CASSANDRA-6621
Workaround JVM NPE on JMX bind failure
patch by Brandon Williams; reviewed by tjake for CASSANDRA-7254
Fix error when doing reverse queries with static columns

patch by graham sanderson; reviewed by slebresne for CASSANDRA-7490
Warn when SSL certs have expired.

Patch by brandonwilliams, reviewed by jasobrown for CASSANDRA-7528
Set stream ID on response for non-Exception Throwables

Patch by Tyler Hobbs; reviewed by Aleksey Yeschenko for CASSANDRA-7470
Merge branch 'cassandra-1.2' into cassandra-2.0

Conflicts:
	CHANGES.txt
	NEWS.txt
	build.xml
	debian/changelog