robotfindskitten: update repo url to one that works
de.zauberstuhl.sechat: disable
24h Analog Clock: update repo url to one that works
andRoc: disable updates, add antifeature, remove dead links
Tram Hunter: disable impossible build
Multi Sms: disable update check
Hash Droid: fix repo url
Heads Up Geocaching: disable, no source, never built
BrowserQuest: repo disappeared