(Windows) force range-based repair to non-sequential mode
patch by Josh McKenzie; reviewed by jbellis for CASSANDRA-7541
ninja change default back to heap_buffers
Merge branch 'cassandra-2.1' into trunk
merge from 2.0
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Merge branch 'cassandra-2.1' into trunk
Include snippet of query in SyntaxError messages

Patch by Benjamin Lerer; reviewed by Tyler Hobbs for CASSANDRA-7111
Merge branch 'cassandra-2.1' into trunk
ninja fix comments in SharedExecutorPool
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Merge branch 'cassandra-2.1' into trunk
Add missing table name to DROP INDEX responses

Patch and review by Tyler Hobbs and Aleksey Yeschenko for CASSANDRA-7539
add IF NOT EXISTS for CREATE UDF statements
Merge commit 'ae25812e39cb29c6ad0d0625eec9268e55c2fb38' into 7395