Update search to be more efficient, contain HTML labels, and go directly to the selected page on click.
Merge branch 'release-0.11' of github.com:learningequality/ka-lite into shiny_search

Conflicts:
	kalite/static/js/search_autocomplete.js
Upload new search icons and delete unused images
Merge pull request #31 from wangguan59/search_icon

Upload new search icons and delete unused images
Rename filenames to be more consistent.
Update to include info about availability, and use new icons.  Store data in non-flat way, then explicitly flatten--didn't work out pretty, but could be future useful.
Merge pull request #1049 from bcipolli/shiny_search

Update search to be more efficient, contain HTML labels, and go directly to the selected page on click.