SERVER-8055 Remove MMS-related keys in default conf
update master/salve for new oplogreader handshake model
remove errant log line
SERVER-4830: fix update+upsert insert case to preserve query fields
SERVER-6246 In smoke.py, use command to create user, rather than direct insert to system.users
SERVER-6246 Fix unused variable error in non-debug builds
Remove some unmmaintained utilities and tests