Changed passives so you need to equip them before you use them.
Decoupled Inventory and the Shop so you can purchase weapons from the shop and attach them to the player.
Merge branch 'master' of https://github.com/encephalopathy/wepwep

Conflicts:
	branches/pewpew_corona_port/com/Inventory.lua
	branches/pewpew_corona_port/com/equipmenu/MenuEquip.lua