Merge pull request #152 from settinghead/master

Hide user role settings if current user is not a user adminstrator
lighter sign in button
Merge pull request #161 from Rise-Vision/chore/updating-styles

lighter sign in button
Merge pull request #162 from settinghead/master

Use object mirroring to propagate userState changes to all copied objects
Do not disable "Save" button on registration dialog

- Show validation error messages when the user does not not properly
complete the registration form
- Wording change as per https://github.com/Rise-Vision/common-
header/issues/160
- Get rid of authorization modal
Merge remote-tracking branch 'upstream/master'

Conflicts:
	dist/js/common-header.js
	src/js/controllers/ctr-registration-modal.js
	src/templates.js
	src/templates/auth-buttons-menu.html
	src/templates/auth-buttons.html