Partial refactoring for ImageViewerResource to make way for ImageControls. Additional refactoring for PanZoomWidget.
Further refactoring for panZoomWidget.js.
Added a new component for the ImageResourceViewer to provide controls
Merge branch 'resource-image' of github.com:blackhydrogen/noop-webvisual into resource-image

Conflicts:
	standalones/image2.html
Added CSS comments to standalone mockup for verbosity
Contrast+ now displays the current selection
Tooltip initialization integrated into standalone mockup
Integrated Image controls.
Massive refactoring for image controls. image_resource.py written - now returns the URL, does resource-type checking, and generate thumbnails.
Changed thumbnail resizing algorithm (using ANTIALIAS instead of the default NEAREST).
Merge branch 'resource-image'

Conflicts:
	resource/audio_resource.py