MANATEE-188: Adding commentary to postgres mgr, removing unsafe read-only mode.
MANATEE-188: Adding commentary to postgres mgr, removing unsafe read-only mode.

josephglanville/manatee,AmlingPalantir/manatee,joyent/manatee,GrimDerp/manatee,joyent/manatee,GrimDerp/manatee,josephglanville/manatee,AmlingPalantir/manatee