* Add support for selecting a theme
* Fix codeclimate issues
* Look up site default style if current user is not available due to e.g. not being logged in
* Remove outdated comment in common.js
* Address requested changes in themes PR
* Fix codeclimate issues
* Explicitly check current_account in application controller and only check theme availability if non-nil
* codeclimate
* explicit precedence with &&
* Fix code style in application_controller according to @nightpool's suggestion, use default style in embedded.html.haml
* codeclimate: indentation + return
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