basic user model, closes #87
add token column for users, refs #87
the actual Users model, refs #87
wrong string len, refs #87
find or create by email, refs #87
init users model, refs #87
find user and add preferences to session, refs #87
class method, refs #87
doesn't belong here, refs #87
find our User and add preferences to session, refs #87
Merge branch 'master' into chartroulette
instance methods for adding/removing favorite uuids
ajax endpoints for adding/removing favorite status for a dashboard
need to parse out preferences before adding/removing favorites
need to call #first on our query
Revert "need to parse out preferences before adding/removing favorites"

This reverts commit 4b8ecce1c2f19662e7c96f6272ad90482e4f89b2.
Revert "need to call #first on our query"

This reverts commit fc9b8364db490c13586b01fadcb7c5686652d92d.
need to parse out preferences before adding/removing favorites
need to call #first on our query
default star to inactive state