First suse UI styling in my github repo

 * Sets up suse.less as override
 * Includes fixes for a couple of bugs
Adds login themeing

 * Also includes the first bits of new branding, nothing finished yet
First styling for login page
Fix logos
Include missing images and other graphics
Add favicon and include link to it
Merge branch 'grizzly-suse-ui' of https://github.com/SUSE-Cloud/horizon into grizzly-suse-ui