Fix potential AssertionError with 2ndary indexes

patch by slebresne; reviewed by beobal for CASSANDRA-6612
Merge branch 'cassandra-2.0' into cassandra-2.1.0

Conflicts:
	CHANGES.txt
	src/java/org/apache/cassandra/db/index/AbstractSimplePerColumnSecondaryIndex.java
	src/java/org/apache/cassandra/db/index/SecondaryIndexManager.java
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Fix pig tests.

Patch by Alex Liu, reviewed by brandonwilliams for CASSANDRA-7570
Merge branch 'cassandra-2.0' into cassandra-2.1
Better messaging on URI failure on cassandra.config
Patch by Josh McKenzie; review by Lyuben Todorov for CASSANDRA-7398
Workaround for netty issue causing corrupted data to come off the wire

patch by tjake, test by Johan Bjork; reviewed by belliottsmith for (CASSANDRA-7695)
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Validate arguments of blobAs functions

patch by slebresne; reviewed by thobbs for CASSANDRA-7707
Fix potential AssertionError in RangeTombstoneList

patch by slebresne; reviewed by thobbs for CASSANDRA-7700
Version and licenses for 2.0.10 release
Update stress to use driver 2.0.4
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Include stress yaml examples in release and deb

patch by tjake and mshuler; reviewed by mshuler and slebresne for CASSANDRA-7717
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Fix pig tests.

Patch by Alex Liu, reviewed by brandonwilliams for CASSANDRA-7570
Validate arguments of blobAs functions

patch by slebresne; reviewed by thobbs for CASSANDRA-7707
Fix potential AssertionError in RangeTombstoneList

patch by slebresne; reviewed by thobbs for CASSANDRA-7700
Version and licenses for 2.0.10 release
Fix build