Remaking of the gas mask.

-Pressing the button will play a buzzing sound and show "User's Doct-O buzz."
New sprites, made it smaller.
Respriting of the icon, it now only cover the nose, mouth and chin instead of being a full mask.
WIP icon added, for the Medical gas mask.
I can't seem to find a way to make the speech bubble appear when pressing the button, but just in case I add the file if someone happen to find how.