More Drinking Glasses!

-Adds 5 new "Fancy" drinking glasses. Shot glass, wine glass, cocktail glass,
beer mug, and soda bottle.  As well as "junk" variations of the shot
glass, beer mug, and soda bottle that randomly spawn in maint.
--Have them special reagent filling effects that beakers have.
--Can be found in booze-o-mats.
![ss13shirts](https://cloud.githubusercontent.com/assets/7319515/4500784/74fc14be-4a9a-11e4-9114-1115dbf238e8.png)

This var seems pointless, everywhere you use it could easily be replaced with initial(icon_state)