Merge pull request #2 from Lycea/firstImplementationEquip

First implementation equip

Added dropping of items via "d" in invi

-> added drop key
-> added drop methode
-> added drop action
-> added drop result

Added info when hovering over entity

Added a render order

Added better pafhfinder sample (breadth first base)

->added breadth first implementation
->added queue and priority queue implementation
->changed mobs to have smarter ai