Rudimentary support for subimages added
Made the drawCentredAt method actually use the subimage logic...
Static Grunt enemy added.
Generator for the grunts added
few changes on protagonist, more cates on entity
redid oddur's fix on type (was correct)
Merge branch 'master' into enemies-ernir

Sameining á fídusum frá Erni og Jianfei

Conflicts:
	managers/entityManager.js
fixed displacement and boarder capping
Protagonist sprite updated to something not absolutely tiny
added crosshairs
Merge remote-tracking branch 'origin/more-prot-maybe-bullet'
Grunts made to chase protagonist
Merge branch 'enemies-ernir'
resolved merge conflict