Inform admin or responsible user about new docs in sighting on login

<a href="https://github.com/Drake81"><img src="https://avatars.githubusercontent.com/u/1014402?v=3" align="left" width="96" height="96" hspace="10"></img></a> **Issue by [Drake81](https://github.com/Drake81)**
_Tuesday Nov 25, 2014 at 18:01 GMT_
_Originally opened as https://github.com/shownotes/snotes20-angular-webapp/issues/41_

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