post 2.8.0-rc4
SERVER-16661 fix leak in GlobalCursorIdCache

Closes #891

Signed-off-by: Matt Kangas <matt.kangas@mongodb.com>
SERVER-16030 make RecordStore::validate non-const
SERVER-16030 update size storer during full validation
SERVER-16649 Wait for replication in mongos_rs_{auth_}shard_failure_tolerance.js tests
SERVER-16635 Make sharding/mongos_no_replica_set_refresh.js agnostic to who is elected primary (take 2)
Merge remote-tracking branch 'upstream/master'