Homepage: Updated site author email address
Homepage|Master Browser: Fix typo in generateServerBadgeHtml()
Homepage|Panorama Rotator: Serve panorama images from dengine.net

The panorama images for the new homepage design will include a
subimage containing a blurred version of the panorama. Until the
new panoramas are finalized we'll serve these from dengine.net

Todo for later: Revert this commit when the panoramas have been
finalized and uploaded to dropboxusercontent.com
Homepage|Master Browser: Cleaned up the master browser overview text