Adjust to changed webroot on SUSE

The dashboard_path moved to /srv/www with Havana packages.
Also enable compression of static files.
Extracted locales into seperate locales file on the rails way
Merge pull request #123 from dirkmueller/suse_webroot

Adjust to changed webroot on SUSE
Merge pull request #124 from tboerger/feature/locales

Extracted locales into seperate locales file on the rails way