Merge pull request #1 from Johnidel/master

pulling stuff
Merge pull request #2 from Johnidel/master

pathfinding and fixes
nothing really changed

just added tristian to credits
Merge pull request #3 from Johnidel/master

merging
menu and level creator

Menu fixed to work on 1024x768 res
My interpretation of level creator added; function that turns game into
64x48 grid with 1s for walls in here.
Merge pull request #8 from cpoudel3/master

menu and level creator