Merge pull request #3 from mvasilkov/master

Cannot look around and walk while dead.
character class moved to separate file
implemented stats modification from initial monster data
player can pickup items
adding parameters for different types
added another item sprite, look on L, not automatic
new sprites added
initial generic data for items. picked items go to inventory
added web pixel font
monsters randomly moving around
CSS base class: tile.
Such animation, very 3 lines of code, wow.