this fixes issue #212:
- switch from OpenLayers.Markers to OpenLayers.Feature.Vector
--> OpenLayers.Marker is obsolete
--> allows easy integration of drag&drop support for Markers
fixes ovi provider
- marker
- geocoding
improves ovi provider
- marker
- geocoding
Merge branch 'master' of https://github.com/esohns-humana/mxn

Conflicts:
	source/mxn.ovi.core.js
Merge branch 'release-2.1' of https://github.com/esohns-humana/mxn

Conflicts:
	source/mxn.openlayers.core.js
	source/mxn.ovi.core.js
	source/mxn.ovi.geocoder.js