[WIP, Do not Merge] Mulebot lag fix

Work in progress for fixing the server crippling MULEbot lag.
Debug stuffs will be removed when all cases of lag spikes are
successfully replicated and removed.

Please comment your methods of replicating this bug, and I will work to
patch it.
Fixes ex_act() destroying too much shit

Borg modules are safe
So are items with bomb protection
Items in people who wear bomb-protective gear are safe too
No more fire inside walls

No more fire inside walls
Some changes to Blood and Replica Pods, adds more vars for allowing Replica pods to clone without an intact body, sets replica production to 1 for faster cloning, makes you a plantman/woman 100% of the time
Merge pull request #2 from tgstation/master

Fix my own branch,
Update say.dm
adds winter coats and changes labcoat toggling
Infinite loop fix!

- Fixes an infinite loop that was causing the worst of the server
crushing lag. MULEs not set to return home will properly process their
loading/unloading procedure if instructed to proceed to a location it
currently occupied.

- Removed the debug bits.
Merge branch 'master' of https://github.com/tgstation/-tg-station into ExActFix
Ok now explosions shall work properly

Changed severity to target, make items not destroy themselves on
severity lower than 1, all that stuff
coats to lockers, winter boots
compile error fix
Proper handling of computers and tables by c4

Proper handling of computers and tables by c4
updates metastation for winter coats, tweaks spawning, tweaks santa hat
changelog
Commiting changelog for new replica pod behavior
Merge pull request #6199 from Ergovisavi/less_terrible_human_plants

Pod Cloning changes
Merge pull request #6111 from GunHog/Fix_Mules_pl0x

Mulebot lag fix
Merge pull request #6225 from NecroticBinder/Clean_Slime_Fix

Clean slime fix
Update the changelog 2014/12/08