Course settings for images
Working on image editing
Image annotations refactored and working again.
Video working through level 2 w/ and w/out transcript.
Video working again (through lev. 4)
Annotator refactored and working with all types.
Fixed text annotations to allow for multiple annotations per element
Merge pull request #6 from BYU-ARCLITE/RenderingRefactoring

Merging all rendering and annotation changes.