Merge pull request #1 from amcgowanca/7.x-dev

Initial commit of the user roles module
Merge pull request #2 from amcgowanca/7.x-dev

Misc: Updated the documentation a smidge more
Removing the Administrator Role because this is already defined in Imagex Installkit
Merge pull request #3 from arcaneadam/7.x-dev

Removing the Administrator Role because this is already defined in Imagex Installkit
Created imagex_user_roles_dummy_users module for creating dummy users based on roles.