Mouse Attack_Logs disabled.  Admins rejoice.

No more mice in disposals spamming the hell out of admins everytime someone flushes items.
Merge pull request #4386 from Ccomp5950/mouse_attack_log

Mouse Attack_Logs disabled.  Admins rejoice.
Disabled objectives disabled be default.

(Have fun saying that)
Merge pull request #4391 from DJSnapshot/dev

Disabled objectives disabled be default.
Merge pull request #4394 from Baystation12/master

Removes mechs, removes Roboticist, moves exofabs to R&D.