reduce memory used by sstr during bulk load
patch by Tyler Hobbs and jbellis for CASSANDRA-5555
cqlsh: handle disabled compression in DESCRIBE output

patch by Aleksey Yeschenko; reviewed by Brandon Williams for
CASSANDRA-5766
When all seeds are unreachable don't bootstrap into a standalone
cluster.
Patch by brandonwilliams, reviewed by jasobrown for CASSANDRA-5768
fix build
Ensures all UP events are reported by the native protocol

patch by slebresne; reviewed by jasobrown for CASSANDRA-5769
src/java/org/apache/cassandra/tools/SSTableExport.java
patch by clohfink reviewed by dbrosius for cassandra-5781
Avoid some map lookups
Lost row marker after TTL expires

patch by slebresne; reviewed by iamaleksy for CASSANDRA-5762
Sort nodetool help output
patch by mmainali reviewed by dbrosius for cassandra-5776
Update versions for 1.2.7 release
Document multiline comments
Fix exception text in SelectStatement
Add sanity checks
Fix columns expiring in the middle of 2 phase compactions

patch by slebresne; reviewed by jbellis for CASSANDRA-5799
now() is being rejected in INSERTs when inside collections

patch by slebresne; reviewed by iamaleksey for CASSANDRA-5795
fix KeyCacheTest to work with globalized key cache
Predicate pushdown support for CqlStorage
Patch by Alex Liu, reviewed by brandonwilliams for CASSANDRA-5790
Ninja-return duplicate set values and map keys validation
Revert "Ninja-return duplicate set values and map keys validation"

This reverts commit 1a45fcbaa331c768edb083f5682b4f559f4de33d.
cqlsh: add collections support to COPY

patch by Aleksey Yeschenko; reviewed by Brandon Williams for
CASSANDRA-5698