Implemented the file name constructing logic and added files for image utility
Finished implementing cell view (but not tested yet)

- Not yet tested image utility because view controller is not working
as promised
- deleted image utility files because I found out you can do that
within the cell view class
Making drawGridFromDimension match view controller
Changes from feature-cellview before pulling from local develop
Merge branch 'develop' into feature-cellview
Fixed cell view displaying the image it is given and correctly rotating clockwise and pulling new image.
Merge branch 'develop' into feature-cellview

Conflicts:
	PipeDream/PDLevelViewController.m
Merge pull request #10 from zsweedyk/feature-cellview

Feature cellview