Take out loading screen once thumbnail is ready
added helper scripts for rebuilding solr index
updated rebuild index script
added update_index command
Update update_index.sh
Improved loading UI and steps for embedder
Correctly set language of embedder to current language in video language page
On website, set subtitles to on by default for all embedders
Move subtitles lower in embedder
Increase contrast of enabled vs. disbled buttons in embedder
Adjust home page layout to accomodate better embedder size changes
Update the index_team_videos management command

Now it updates the team video index as well as the regular video
index.
Merge pull request #1596 from pculture/gh-1587

Gh 1587
Merge pull request #1595 from pculture/gh-1593

Adjust home page layout to accomodate better embedder size changes
Merge pull request #1597 from pculture/gh-1586

Gh 1586
Merge branch 'staging' into production