add a username column to the manage students page because it's really confusing to have the name there but not username
fix test to reflect karel changes
slow down artist
Merge pull request #654 from code-dot-org/karelTest

fix test to reflect karel changes
Merge pull request #655 from code-dot-org/slowdownArtist

Slowdown artist
Add video player test link to teachers' dashboards on the homepage
Merge pull request #657 from code-dot-org/add_video_player_link_homepage

Add video player test link to teachers' dashboards on the homepage
Merge pull request #643 from code-dot-org/add-username-column-to-manage-students-ui

add a username column to the manage students page
Automatically built.
Fix migration
Merge pull request #660 from code-dot-org/fix-farmer-levels

Fix migration
Include type in serialization.