Add NumberLineCanvas class
Progress commit: Use linegeometry in NumberLine
fixed the duration of spaces
got rid of uneeded method call
changed layout and added title to transcript

fixed build configurations so zagga debug actually uses the ZAGGA
preprocessor value
delete command was not working, after it was renamed, same with navigation
fixed binding command
fixed wrong UIstring being used for record
Fix NumberLine drawing
Add AudioCanvas, use Image to make waveform

Creating the waveform should now be faster. TODO: Spaces
Draw spaces using GeometryGroups
Merge branch 'master' of github.com:IMDC/LiveDescribe-Desktop into spaceOptimization

Conflicts:
	LiveDescribe/LiveDescribe/ViewModel/MainWindowViewModel.cs
Align spaces at their proper start times
Refactor Image creation
Move resizing of spaces to event handler

It is now handled by AudioCanvas's SizeChanged event.
Rearrange code
Use colourscheme colours
Add mouse listener to AudioCanvas
Extract ActionState from old class
Add rudimentary dragging