Merge pull request #617 from alfhenrik/master

Update Twitter Bootstrapper to latest
Updated webapi owin adapter.
Initial set of changes to move encoding the related content client side.
- Added HtmlEncoded flag to ChatMessage.
- Removed linkification and content provider logic.
Added content providers back and removed transforming urls on the server.
Added client side linkification.
Added room link conversion client side.
Move multiline replacement logic to client side.
Remove hashtag link logic.
Renamed TextTransform to UrlExtractor.
Removed tests that don't matter anymore.
process topics and welcome messages.
The API returns if the message was encoded.
Merge pull request #618 from alfhenrik/master

Implement new login screen
Removed <p> from content provider content.
Wrap content in <p> on the client.
Merge pull request #619 from alfhenrik/master

Fix styles for modals and closed room checkbox
Make basic login work.
Updated login view to use Url.Content.
Added logout button.
Merge pull request #620 from alfhenrik/master

Adding registration page