Added Leftronic-Backend to docs
Merge pull request #272 from sreuter/master

Added Leftronic-Backend to docs
Update admin_interface.md

Added gauges command to admin_interface.md documentation file
Merge pull request #273 from sreuter/patch-1

Update admin_interface.md
Update to fully qualified links
Update Changelog with changes since 0.5.0
Update package.json to 0.6.0