improved Shapefile data type association default

Use the type with matching name if available and compatible.

refs #640

Change-Id: I45f3bb23088123be2432226b21a09fd49549924c
Reviewed-on: http://gerrit.esdi-community.eu/3132
Tested-by: Jenkins <sitemple@igd.fraunhofer.de>
Reviewed-by: Simon Templer <simon.templer@igd.fraunhofer.de>