Ignore fat clients when checking for endpoint collision

Patch by brandonwilliams, reviewed by tjake for CASSANDRA-7939
Merge branch 'cassandra-2.0' into cassandra-2.1
Ignore fat clients when checking for endpoint collision

Patch by brandonwilliams, reviewed by tjake for CASSANDRA-7939
Fix possible infinite loop in create repair range

patch by Jimmy Mårdell; reviewed by yukim for CASSANDRA-7983
Merge branch 'cassandra-2.0' into cassandra-2.1

Conflicts:
	CHANGES.txt
	test/unit/org/apache/cassandra/service/StorageServiceServerTest.java
Fix error in sstableloader with -cph > 1

patch by yukim; reviewed by Josh McKenzie for CASSANDRA-8007
Archive any commitlog segments present at startup
patch by Sam Tunnicliffe; reviewed by bes and jbellis for CASSANDRA-6904
merge from 2.0
cqlsh: Fix IPv6 Support

This commit upgrades the bundled datastax/python-driver to
ad2f61f8655.

Patch by Tyler Hobbs; reviewed by Philip Thompson for CASSANDRA-7988
Increase nodetool Xmx
patch by Nikolai Grigoriev; reviewed by jbellis for CASSANDRA-7956
merge from 2.0
Merge remote-tracking branch 'origin/cassandra-2.1' into cassandra-2.1
Fix possible overflow while sorting CL segments for replay
patch by Oleg Anastasyev; reviewed by jbellis for CASSANDRA-7992
merge from 2.0
CHANGES
Merge branch 'cassandra-2.0' into cassandra-2.1
Better validation of collection values

patch by slebresne; reviewed by thobbs for CASSANDRA-7833
Track min/max timestamps and maxLocalDeletionTime correctly

Patch by marcuse; reviewed by tjake for CASSANDRA-7969
Merge branch 'cassandra-2.0' into cassandra-2.1

Conflicts:
	CHANGES.txt
	src/java/org/apache/cassandra/serializers/ListSerializer.java
Make native server start block until properly bound

patch by slebresne; reviewed by xedin for CASSANDRA-7885