fixed import statement
create SQLAlchemy app obj and db in app
Added models into app
renamed datetime module as dt
removed models file references
ensured routes are all present.
fixed minor syntax errors
minor cleanup of user class
commit user access token to db session.
adds user_access_token attribute.
fixed merges.
quick fix for env variables.
Merge pull request #29 from elemonier/master

quick fix for env variables.