#99 added three buttons to the preview map

Added three buttons to the GeometryChooserPanel to pan and zoom, add a
geometry and remove a geometry. The pan and zoom and the adding of a
geomety works. The remove does not work yet.
 #99 count features also when cidsBean changed
 #99 do not switch to cismap on double click
 #99 when a new Geometry is chosen, show its coordinates
 #99 added the possibility to enter coordinates manually

... and show an error message if something goes wrong
 #99 show coordinates only if rectangle
Merge branch 'feature/99-Add-coordinates-textbox-to-Geospatial-Panel' into dev