added __str__() functions to models
added admin to frontend factory
added __str__() function to user model
began setting up Flask-Admin
added admin views for all models
added roles to admin view
created a Roles service
added __str__() method to role class
added superuser and administrator accessibility methods
changed str method on role model
admin index view restricted from user role
deleted old code on helpers
cleaned up celery tasks code
created module to handle signals
updated headers
restricted role admin page to SuperUser level
integrated Flask-Script. Users can be given superuser status from the command line
added create_roles command to flask-script
added flask-admin and flask-script to requirements.txt
fixed default_roles script. needed to commit to database