Bug fixes to ImageResource backend.
Merge branch 'resource-image' of github.com:blackhydrogen/noop-webvisual into resource-image

Conflicts:
	resource/image_resource.py
Tooltips no longer interfere with mouse events
Merge branch 'resource-image'

Conflicts:
	resource/__init__.py
Fixed bug (is_valid_observation method) in image_resource.py.
Merge pull request #73 from blackhydrogen/resource-image

Fixed bug (is_valid_observation method) in image_resource.py.
Audio Resource Viewer
1. Changes to the scrollbar CSS
2. Changed the tooltip text
Fixed tooltip button behaving erroneously after a few toggles
Tooltips button now displays better visual feedback when toggled
Tooltips are now wider and no longer translucent
Merge pull request #74 from blackhydrogen/boilerplate

Fixed bugs associated with tooltips and the tooltip toggle button
Added tooltip info for sliders in the VideoResourceViewer and MediaControls
MediaControls now only enables tooltips for its own elements

Extra buttons added need to have their own tooltips handling logic.
VideoResourceViewer now initializes the zoom controls tooltips
Videos now excludes the external quotes when returning the base64 icon
Migrated ImageResourceViewer standalone to static.
Merge pull request #75 from blackhydrogen/resource-image

Migrated ImageResourceViewer standalone to static.
Merge pull request #76 from blackhydrogen/resource-video

MediaControls now handles its own tooltips, and returns the proper base64 icon
Added bootstrap-select files into static.
Edited tooltip paths and names.