Adds Business model and updates User model

- Removes userInfo virtual prop and merges it with the profile virtual prop on User
- Adds location attributes to User
- Adds stylist attribute to User
- Adds enum to User.role
- Adds Business model
Update to users/auth (client) and views, and adds profile route and assets.

- Adds client profile route, stylesheet, and controller
- Adds client auth method for updating user
- Adds client user password method and splits get into get and self
- Adds session user cookie values
- Adds update method to User
- Adds stylist signup properties and setting role in User.create
- Changes login response to profile from now non-existent userInfo
- Updates views to reflect above changes
- Minor style tweaks