Add a rate limit option to stress
patch by jasobrown, reviewed by driftx for CASSANDRA-5004
Merge branch 'cassandra-1.2' into trunk

Conflicts:
	tools/stress/src/org/apache/cassandra/stress/StressAction.java
Ninja-kill what's left from avro
send dc-local replicas inline instead of putting them in a Map
patch by jbellis; reviewed by dbrosius for CASSANDRA-5538
Reduce SSTableLoader memory usage
patch by jbellis; reviewed by dbrosius for CASSANDRA-5555
merge from 1.2
Adds SASL authentication in binary protocol v2

patch by beobal; reviewed by slebresne for CASSANDRA-5545
Adds AUTH_SUCCESS message as follow up to #5545
Fix build
fix bug in intersection checking, and improve collection of max/min column

Patch by marcuse, reviewed by pcmanus for CASSANDRA-5600
yaml snitch checks for reconn in onChange
Fix RangeSliceCommand serialization for SCs for 1.2 nodes
Fix test_thrift_server.TestMutations.test_describe_token_map
Merge remote-tracking branch 'origin/trunk' into trunk
Merge branch 'cassandra-1.2' into trunk

Conflicts:
	test/system/test_thrift_server.py
Remove unused CassandraServer methods
have BulkLoader ignore snapshot directories
patch by jaymé reviewed by dbrosius for cassandra-5587
Merge branch 'cassandra-1.2' into trunk
fix SnitchProperties logging context
patch by cburroughs reviewed by dbrosius for cassandra-5602
Merge branch 'cassandra-1.2' into trunk