Forums for Ember

1. Added reaction configuration (enabled/disabled, max reactions per user per post)
2. Added single newline parsing for posts
3. Added a workaround to avoid CDNs altering post contents
4. Minor changes and improvements

1. Latest posts now show correct author information
2. Better word-break for post content
3. Other minor improvements

1. Implemented moving threads
2. Various UI improvements

1. Minor CSS improvements

Initial version.