Invalidate key cache on table drop

patch by thobbs; reviewed by slebresne for CASSANDRA-6525
Fix flapping RecoveryManagerTest

patch by benedict; reviewed by jbellis for CASSANDRA-7084
Add missing iso8601 patterns for date strings

patch by chander; reviewed by slebresne for CASSANDRA-6973
Merge branch 'cassandra-2.0' into cassandra-2.1

Conflicts:
	CHANGES.txt
	src/java/org/apache/cassandra/db/ColumnFamilyStore.java
	src/java/org/apache/cassandra/db/commitlog/CommitLogAllocator.java
Merge branch 'cassandra-2.1' into trunk

Conflicts:
	src/java/org/apache/cassandra/db/marshal/TimeUUIDType.java
	src/java/org/apache/cassandra/db/marshal/UUIDType.java
Change concurrent_compactors defaults
patch by jbellis; reviewed by bes for CASSANDRA-7139
Merge branch 'cassandra-2.1' into trunk
fix CliTest on Windows
patch by Josh McKenzie; reviewed by jbellis for CASSANDRA-7194
Merge branch 'cassandra-2.1' into trunk
fix native cell ByteOrder
patch by bes; reviewed by jbellis and tested by mshuler for CASSANDRA-7201
Merge branch 'cassandra-2.1' into trunk
Support new UDT serialization format for CQLSH

patch by Mikhail Stepura; reviewed by Tyler Hobbs for CASSANDRA-7261
Merge branch 'cassandra-2.1' into trunk
Add tab-completion to debian nodetool packaging
patch by Cyril Scetbon; reviewed by mshuler for CASSANDRA-6421
Merge branch 'cassandra-2.1' into trunk
Fix potential ClassCastException in HintedHandoffManager

patch by slebresne; reviewed by benedict for CASSANDRA-7284
Merge branch 'cassandra-2.1' into trunk
Backport first patch of 6975
Merge commit '362e54803434053fea25f874f64c69bdc1db78da' into cassandra-2.1
Use prepared statement internally

patch by slebresne; reviewed by mishail for CASSANDRA-6975