BUGFIX: cache did not support non strings

also reduced mocking in tests
copyedit on /top page orientation text
Merged new strings from *.en.yml and completed the Danish translation
Merge pull request #1796 from wulff/feature-wulff-update-danish-l10n

Merged new strings from *.en.yml and completed the Danish translation
FIX: vagrant up may fail when copying redis.yml. we don't need to copy it anymore.
BUGFIX: we should not store absolute urls for locally uploaded avatar templates

Highly recommended to run: `RAILS_ENV=production bundle exec rake avatars:regenerate` to fix the avatar templates stored in the database.
Add spinner when authenticating with 3rd party. Also handle when popup window is closed without making a callback.
FIX: version check job when no versions are returned in json
Improved Embedded templates slightly.
Remove remaining code for two-column categories page
don't muck with production.rb, no longer supported
BUGFIX: show uncategorized in tracking etc
BUGFIX: allow emptying of lists of watched / tracked
BUGFIX: page scrolls when clicking on [x]
BUGFIX: rss feed link for topics has been broken ever since we upgraded rails