stubb in event tags, fix side nav's z-index issue (overlapping sections, preventing clicks)
Install chosen plugin
show/hide past events, future events, and event details
style show more events buttons and tags
Move event admin view into the project editor module
Add a detail JSON blob to the Event model
Compile the chosen css as part of the build process
Add the event tags into the tags widget when the event view loads
Update the list of tags when the tags field is focused
Update the tags chooser strings
Sort tags in chooser
Use custom version of Chosen plugin, built from koenpunt/chosen
Copy images from Chosen plugin
Merge pull request #142 from openplans/event-tags

Event tags
Fix adding new events
- Protect against events with no details blob
Show a button for each tag in the project display
JS cleanup
Merge pull request #143 from openplans/event-tags

Event tags - Show tags on display page
Fix the tag selection behavior
Merge pull request #144 from openplans/event-tags

Fix the tag selection behavior