fixes #125 #76 & #82
[bugfix] fixing e2e tests by renaming class
updated tests to look for button.sign-in
Merge pull request #146 from Rise-Vision/bugfixes/125-76-82

fixes #125 #76 & #82
Refresh auth status only when current user is the user being updated

- Show company-related settings when user is a User Admin, per
documentation: http://rise-vision.github.io/risevision-documentation
/core-api/companies.html
- Fix E2E test for registration as a result of styling changes