Make ShareRoom item details URL into an active link.

This is a provisional solution for #505, so that people can tap the link
to get to the ShareRoom, and copy the URL from there. Soon @devgeeks
will integrate the long-tap copy plugin, but this will provide an
alternative until then.
Merge pull request #511 from SpiderOak/issue-505-shareroom-urls-as-link

Make ShareRoom item details URL into an active link.