implementing CL.LOCAL_ONE
updated news and changes
Add a warning for small LCS sstable size
patch by jbellis; reviewed by Jeremiah Jordan for CASSANDRA-6191
Rework node replacement.
Patch by brandonwilliams, reviewed by Tyle Hobbs for CASSANDRA-5916
update changes
Add more pig unit tests for type mappings.
Patch by Alex Liu, reviewed by brandonwilliams for CASSANDRA-6197
match internal only filename to internal directory version
cosmetics
Remove dead node from system.peers when replacing.
Patch by brandonwilliams, reviewed by Jeremiah Jordan for CASSANDRA-6217