Updates models README with Task member change
Merge branch 'events'
Adds a RegisterController and delegates signup flow
Adds exception handling for db instance connection error
Serialization fix for empty data
Adds token member for User object
Adds index meta and fixes docstring
Adds docstring for UserController
Merge branch 'users' of github.com:techiev2/HaywireAPI into users
Merge pull request #4 from techiev2/users

Users controller docstring addition
Adds docstrings for HTTP methods
Merge branch 'users' of https://github.com/techiev2/HaywireAPI into users

Conflicts:
	app/users/controllers.py
Adds Invitation data model and members attribute for Event
Merge branch 'tasks'
Merge branch 'events'
Adds User.remove helper and avatar attribute
Merge branch 'users'
Updates RegisterController to use HTTP PUT
Delegates registration endpoint to RegisterController
Adds ObjectWrap abstraction and session check