SERVER-12969: db.eval should not support load()
remove case-check test for master/slave
SERVER-13016 Change rpm username from mongodb to mongod
SERVER-13016 Change dbpath from /var/lib/mongodb to /var/lib/mongo
SERVER-12820 Parse connection string to handle replica set connections in copydb command
SERVER-3071 penalize fetches during ranking
SERVER-12899 append "waited" field to all fsync GLE calls for 2.4 compatibility
Merge remote-tracking branch 'upstream/master'