Merge pull request #3 from dckuehn/master

Edited sprites to have turretless tank and turret separate from each oth...
added debug setting for drawing collision boundaries (Tank and Map objects)
added turn to update function and maxTurnSpeed variable
improved tank aabb collision box
check block/tank polygon collision before stopping
Merge branch 'master' of github.com:mrmoses/thunder-tanks

Conflicts:
	js/Tank.js
Texture changes
removed host to try to work with heroku
Merge branch 'master' of https://github.com/mrmoses/thunder-tanks

Conflicts:
	js/Map.js
Merge pull request #4 from SanishThomas/master

Texture changes
removed old heroku socket polling
updated host and port variables to work with Heroku, Cloud9, and localhost
Merge branch 'master' of github.com:mrmoses/thunder-tanks
Map texture url change
Merge branch 'master' of https://github.com/mrmoses/thunder-tanks
Merge pull request #5 from SanishThomas/master

Map texture url change
added map configuration, pre-render map, preload images
consolidated debug/drawing entity collision areas
added dirt and grey block graphics
added configurable images to Blocks