Fix error when submitting changes when editing a competition.
Merge branch 'master' of https://github.com/codalab/codalab into dev
Merge branch 'master' into dev
added calendar widget (needs color/styling update)
Adding HTML editing functions to competition edit page.

Conflicts:
	codalab/apps/web/forms.py
	codalab/apps/web/views.py
Added in leaderboard_management_mode for editing.

Conflicts:
	codalab/apps/web/forms.py
	codalab/apps/web/static/css/Main.css
	codalab/apps/web/views.py
Fixes for text area heights.
final updates for edit page

Conflicts:
	codalab/apps/web/forms.py
	codalab/apps/web/static/css/Main.css
Merge branch 'master' into dev
gitingoring my local dev db
updated local version of Ruby, which affected some SASS comments. also moves a couple styles from SASS templates to codalab.scss
Added tinyMCE
Experiment display rough first pass
Add API endpoint to list bundle contentand some clean-up.
Basic MathJax support (#325)
Merge branch 'master' into dev
Improve appearance of MathJax equations and hide experiment feature by default.
Merge branch 'master' into dev
Styled worksheets list and worksheets details pages
Fixing merge conflicts