Add more data type mappings for pig.
Patch by Alex Liu, reviewed by brandonwilliams for CASSANDRA-6128
Optimize auth setup

patch by Aleksey Yeschenko; reviewed by Jonathan Ellis for
CASSANDRA-6122
Merge branch 'cassandra-1.2' into cassandra-2.0
because git is full of shit
Conflicts:
	src/java/org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.java
FD exposes a count of up/down machines over JMX
Patch by Sankalp Kohli, reviewed by brandonwilliams for CASSANDRA-6044
Merge branch 'cassandra-1.2' into cassandra-2.0