Fix stress with CQL3
Merge branch 'cassandra-1.2' into trunk
cqlsh: Add username autocompletion

patch by Aleksey Yeschenko; reviewed by Brandon Williams for
CASSANDRA-5231
Merge branch 'cassandra-1.2' into trunk
don't report harmless cache read problem as debug, don't rely on FileInputStream.available to always return > 0
patch by dbrosius reviewed by mkjellman for CASSANDRA-4916
Merge branch 'cassandra-1.2' into trunk
add missing break
fix potential for multiple concurrent compactions of the same sstables
patch by jbellis and yukim; reviewed by slebresne for CASSANDRA-5256
Merge branch 'cassandra-1.2' into trunk
Fix CQL3 composite partition key error

patch by slebresne; reviewed by jbellis for CASSANDRA-5240
Allow IN clause for last clustering key

patch by slebresne; reviewed by jbellis for CASSANDRA-5230
Merge branch 'cassandra-1.2' into trunk