* feature/metafeeds: Restructured API, splitted menu and meta feed
* feature/metafeeds: add field 'key' to Canteen
* feature/metafeeds: added helper function for reverse urls
* feature/metafeeds: added menu feed url to meta feed
* feature/metafeeds: added missing test
(added: testing meta feed rendering in retrievaltest)
* feature/metafeeds: added feed index page
* whitespace fix
* feature/metafeeds: added alias urls
* feature/metafeeds: moved meta feed default url
* feature/metafeeds: moved index generation to views
* feature/metafeeds: inlined builder instance creation
* feature/metafeeds: removed unused 'menu' parameter
* feature/metafeeds: replaced 'reverse' module with Flask's url_for
* feature/metafeeds: removed unused import
* feature/metafeeds: removed unused function parameters
* feature/metafeeds: moved menu feed url generation to views.py
* feature/metafeeds: cleanup debug prints
removing debug prints that should never have been committed.
Kai Fabian