Merge pull request #6 from jasontowens/Movement

Added functionality for moving the snake and creating more snake boxes.
loading new snake_body images instead of rectangles
placeholder graphic for snake body 9x9
added head and tail loadingl
added snake head and tail image
Fixed Issue #9

The snake was speeding up on rotation because it was being drawn twice. The draw function calls "moveSnake();" which caused the application to add another draw call to the snake for each rotation.
Merge pull request #13 from liam-middlebrook/master

Fixed Issue #9
Some differences and loading Snake in the beginning, as well as making
walls remake Snake(still buggy)
Merge pull request #10 from jasontowens/loadimage

Load Images for Snake instead of rectangles
Merge branch 'master' into Movement
Fixed edge detection
Fixed Snake deletion and reinitialization
Conflicts:
	Snake.html