Fixes submission list version cookie data type
Factors the Tag model to a standalone module
Adds a login guard for requiring staff privileges
Adds a rest api for tags
Merge pull request #83 from hufman/tag_api

Tag api
start of mail
mail works, but need to get username/password
merge hell
turn on debug to see what's wrong in deploy
removal of debug
fixes issue #86
Added statement about phone number usage to form.