add TUMML to /about
Add Rails cache to Configuration model #38
Remove unnecessary configuration
Fix project owner report
Create channel uploader
If channel video is missing, show the channel image
Migrate emails controller to not use notification type anymore
Upgrade rails to 4.0.3 fix #55
Remove rescue from channels subscribers
Revert "Remove rescue from channels subscribers"

This reverts commit 43cac2d5e9b212abc475fca6f98fde5dc6614dd2.
Fix firefox button font-sze
Change some channel languages, improve design and spacing
Disable completeness for channels

Fixes issue when completeness_progress is nil

Disabled for now because issues if PG transaction.
We will move it to a worker (#58).
Add submit your project text to channel
Enable hstore
Add start_content field to channel
Add start hero image to channels
Add channel concerns about start content
Show channel content in start page when accessing from a channel
WIP: Start content on channels admin form