Merge branch 'cassandra-2.1' into trunk

Conflicts:
	debian/changelog
fix startup when WMI memory query fails
patch by Josh McKenzie; reviewed by Ala' Alkhaldi for CASSANDRA-7505
merge from 2.1.0
Merge branch 'cassandra-2.1' into trunk
support direct run of .ps1 file w/out batch file
patch by Josh McKenzie; reviewed by Ala' Alkhaldi for CASSANDRA-7517
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Merge branch 'cassandra-2.1' into trunk
Anti-compaction proceeds if any part of the repair failed

patch by jasobrown; reviewed by yukim for CASSANDRA-7521
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Merge branch 'cassandra-2.1' into trunk
Fix error when doing reverse queries with static columns

patch by graham sanderson; reviewed by slebresne for CASSANDRA-7490
Merge branch 'cassandra-2.0' into cassandra-2.1.0

Conflicts:
	CHANGES.txt
	src/java/org/apache/cassandra/cql3/statements/SelectStatement.java
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Merge branch 'cassandra-2.1' into trunk
fix missing test build dep for pig-test
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Merge branch 'cassandra-2.1' into trunk
ninja fix LegacySSTable test with new versioned files from 2.0
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Merge branch 'cassandra-2.1' into trunk