wire up edit and update actions
add user edit view
current_user? helper method
use session_store on the sign in action
add link to user settings
actually add store_location and redirect_back_or methods
Merge branch 'feature/user-edit' into develop

* feature/user-edit-and-paginate:
  actually add store_location and redirect_back_or methods
  add link to user settings
  use session_store on the sign in action
  current_user? helper method
  add user edit view
  wire up edit and update actions