Add sharing enabled icon.
Merge remote-tracking branch 'origin/dev' into lucyhe-sharing_enabled_icon
Add "Sharing Enabled" info overlay.
Merge remote-tracking branch 'origin/dev' into lucyhe-sharing_enabled_icon
Merge with dev
Create uproxy-overlay element.
Update comment.
Merge branch 'dev' of https://github.com/uProxy/uproxy into lucyhe-sharing_enabled_icon
Merge pull request #636 from uProxy/lucyhe-sharing_enabled_icon

Add sharing enabled icon.