Add dependent: destroy for favorites on Anime and Manga models

Forum Issue: http://forums.hummingbird.me/t/thread/12670
Fixed incorrect First Impressions label for reviews section on entries without a finish date
Fix quick update reflow on loading.
Handle short youtube links in message formatter.
Merge pull request #172 from nashby/youtube-link

Handle short youtube links in message formatter.
Merge pull request #168 from NuckChorris/dependent-destroy-favorites

Fix destruction of favorites when media is deleted
Use proper website href if there is no protocol specified.
Merge pull request #171 from btf064/master

Fixed incorrect First Impressions label for reviews section on entries without a finish date
Merge pull request #174 from nashby/user-website

Use proper website href if there is no protocol specified.
Add generic preloader.
Add static broadcast system to header
Merge pull request #175 from NuckChorris/static-broadcast

Add temporary static broadcast message telling users to clear cache
Use PreloadStore for broadcast message.
Fix spacing on waifu

Reverts edit from PR #174
Merge pull request #176 from Wopian/master

Fix spacing on waifu
Switch overflow-wrap to word-wrap

Doesn't work on Firefox from what I've tried
Fix comments truncating for no reason

Seems to only be an issue with Chrome when images are present in the
comment.

Issue: http://cl.ly/image/3Y2S1U1R1y1O
Fix first impressions displaying on ongoing shows

Shows like Naruto Shippuden shouldn’t show “First Impressions”.

Considers shows that have started airing in the past 10 weeks recent.
Add admin panel for blotter (nee broadcasts)
Pass through the Redis value to the Ember layer

Also rename to blotter to align with similar things on other sites