Add roles
Add user
Moved user object to user_organization_role structure object.
Fix UserOrganizationRole test.
Create user class.
Restructed UserOrganizationRole just to be OrganizationRole because a User will now be able to belong to many Orgs and have Roles with them.
Add the ability to compare two OrganizationRole objects.
Add the ability to add a organization_role to user.