make images work
[API change] remove unused AbstractDataPluginItem::itemType()
don't cache home coordinates
Removed MARBLE_EXPORT from EditGroundOverlayDialog declaration
use MarbleWebView

* we get loading of linked images for free
* resolves warning "FSFileEngine::open: No file name specified" occurring for cache "OX2TT8Y"

CCMAIL: anders@alweb.dk
tiling
debug++
use www.geonames.org rather than the deprecated ws.geonames.org server

* seems to deliver more results
add search runner