Add some local files to the repo to base into 0.20.4

Add some local files to the repo to base into 0.20.4
Commit local changes to the UI to the 0.20.3 branch

Commit to the branch in order to merge to the current 0.20.4
Commit UI changes
Merge remote-tracking branch 'origin/master' into racktables-hpi-merge

Conflicts:
	wwwroot/inc/interface.php
Merge remote-tracking branch 'origin/racktables-hpi-merge'