Pulling note taking features
Created tableView for opening documents
added open document with custom url
implemented open saved lecture with opening image
Implemented note saving on document load
Save lectures with notes
Merged noteTaking and userInterface branch
modified notesView
Add DrawViewController architecture, add toolbarView with constraints.
Add checks for orientation change.
Implement drawing with UIBezierPaths.
Fixed storyboard issues
Add pan button, gesture.
Create separate notesViewController with xib
Fix code signing.
Merge in drawViewController.
Toggle panning.
:Merge branch 'notesViewController' into Integration

Conflicts:
	AccessLecture.xcodeproj/project.pbxproj
	AccessLecture/LectureViewController.h
	AccessLecture/LineDrawView.h
	AccessLecture/LineDrawView.m
	AccessLecture/MainStoryboard.storyboard
	AccessLecture/RootViewController.m
added noteVC
Implement Clear Notes.