Added the Grenade Cartridge to the armed player

Added the Grenade Cartridge to the armed player
Removed all of the old models and added in the models that are going to be used for our game.
Added in all the models for the game.

All the models have been added to the frame work. I also changed the
name of some files as they had typos (those are the files that may have
appeared to have been deleted and then added back).
Merge remote-tracking branch 'origin/Wes'