Added the WebUser model
Added the auth service
Added in the auth controller and model
Changed $sessionStore dependency to $webuserStore
Added the webuser store
Missed out the add permissions as a string
Added the web user store with the get method
Upgrade bunyan to 1.2.x
Added the authorization strategy for Web users
Removed OAuth authorization as not currently needed
Added session and web_users sample data
Updated the GET:/asset/type API with the authentication
Added tests to check that the GET:/asset/type authorization can fail