Add logging about not autobootstrapping a seed.

Patch by brandonwilliams for CASSANDRA-6972
Fix LatencyMetrics returning infinity.

Patch by Nick Bailey, reviewed by Lyuben Todorov for CASSANDRA-6920
Add forgotten test
Continue with assassinate even if the endpoint vanishes during the
sleep-for-safety check.

Patch by brandonwilliams, reviewed by Jeremiah Jordan for CASSANDRA-6787
if relocate is a no-op, don't try to op.
Schedule schema pull in onChange.

Patch by brandonwilliams, reviewed by Russ Hatch for CASSANDRA-6971
fix broken build
Non-droppable verbs shouldn't be dropped from OTC

patch by jasobrown; reviewed by Richard Low for CASSANDRA-6980
Shutdown batchlog executor in SS#drain()

patch by Sergio Bossa; reviewed by Aleksey Yeschenko for CASSANDRA-7025
Fix batchlog to account for CF truncation records

patch by Aleksey Yeschenko; reviewed by Jonathan Ellis for
CASSANDRA-6999
cqlsh: Updated CQL3 parser to support functions and BLOB literals

patch by Mikhail Stepura; reviewed by Aleksey Yeschenko for CASSANDRA-7018
Fix changelog
Nodetool rebuild_index requires named indexes argument

patch by Stunnicliffe reviewed by dbrosius for cassandra-7038
Fix schema concurrency exceptions (backport of #6841)
Ensure that batchlog and hint timeouts do not produce hints

patch by Aleksey Yeschenko; reviewed by Jonathan Ellis for
CASSANDRA-7058
Don't shut MessagingService down when replacing a node.

Patch by brandonwilliams, reviewed by Benedict for CASSANDRA-6476
Fix CFMetaData#getColumnDefinitionFromColumnName()

patch by Benedict Elliott Smith; reviewed by Aleksey Yeschenko for
CASSANDRA-7074
Remove unused (and slightly broken) ColumnIdentifier.compareTo
Add back ColumnIdentifier comparison since we do use it
Fix nodetool display with vnodes.

Patch by brandonwilliams, reviewed by Vijay for CASSANDRA-7082