wip: tag functionnality in chris, to allow users to groups feeds

by projects, by quality, by normal/abnormal, etc.
wip: loading tags/user from db

todo: php load feeds with tags
todo: attach tag to feed
todo: remove tag from feed
todo: search ONLY on tags (TAGS:blablabla)
wip: clean up ui
wip: cleanup
wip: combobox in progress
done tagging!
Merge branch 'tags'