Fix User Settings & Company Settings Bugs

- "pick" function from underscore, a better way to retrict what fields
to send to the server
- STORE_URL; fix store path when clicking on shopping cart icon
- Use the presense of userState.user to determine whether the user has
logged in
- Use the presense of userState.user.profile to determine whether the
user is a registered Rise Vision user
- Company Settings E2E test