Updated ButtonWidget onclick description
Use relative paths for widget js jquery imports
Updated set_css so it can handle a dictionary of keys and values.
Uploaded widget tutorial (example) notebooks.
Use baseProjectUrl for widget import path
Remove old directview widget example
decided with @ellisonbg
Moved widgets folder out of notebooks subfolder
Renamed notebooks to match naming scheme of other notebooks
Updated components to latest commit in jdfreder/widget-msg
Fixed: Last state not being sent to kernel while throttling.
Added on_display callback
Fixed widget button onclick register so it only will ever register a callback once.
Fixed doc string comments, removed extra space
Added flexible box model align properties.
Updated alignment example to show pack&align
Added flex properties to container.
Also replaced underscores in flex align properties with dashes.
Added flex properties example to alignment tutorial.
Added File Upload Widget example for Chris Kees
Updated comments in File Upload Widget example.
FileUploadWidget- Removed backbone events line, added headers