SERVER-15670 use voteMajority instead of writeMajority in election scatter gather algorithm
SERVER-15535 move checkReplEnabledForCommand() to before processReplSetReconfig()
SERVER-15535 remove commented out election test as it is no longer possible
SERVER-15535 finish freshness checker tests that were waiting on MockNetworkInterface
SERVER-15687 unit test forced reconfigs in the ReplicationCoordinator
SERVER-15060 increase replica set max size to 50 nodes