Create update_icons.dm
Update hud.dm
Update inventory.dm
Update mommi.dm
Added head equipment as part of the MoMMI's HuD
Added equip methods for hats
Added head_state
Added icon handling for hats
"Added Hats to MoMMIs"
Merge pull request #1472 from Wiggle-Bot/Bleeding-Edge

Added Hats to MoMMIs