Require CFRR batchSize to be at least 2
patch by Alex Liu and jbellis for CASSANDRA-6114
make sure files get closed
Merge branch 'cassandra-1.2' into cassandra-2.0
remove dead 'load' parm to getBootstrapTokens
remove dead static noop method
Merge branch 'cassandra-1.2' into cassandra-2.0