fixes ovi provider
- marker
- geocoding
switch from OpenLayers.Markers to OpenLayers.Feature.Vector
- OpenLayers.Marker is obsolete
- allows easy integration of drag&drop support for Markers

improves ovi support
- missing click event delegation
- allow reverse geocoding
fix default icon usecase
repair default infoBubble close button function (OpenLayers)
Merge branch 'release-2.1' of https://github.com/esohns-humana/mxn

Conflicts:
	source/mxn.openlayers.core.js