reduce validation data in datasources.xml
add <map> with northeast and southwest position

Conflicts:
	download-tools/src/main/java/slash/navigation/download/tools/CreateBrouterDataSourcesXml.java
	download-tools/src/main/java/slash/navigation/download/tools/CreateMapDataSourcesXml.java
	graphhopper/src/main/resources/slash/navigation/graphhopper/graphhopper-datasources.xml
	mapsforge-maps/src/main/java/slash/navigation/maps/LocalMap.java
	mapsforge-maps/src/main/java/slash/navigation/maps/MapFiles.java
	mapsforge-maps/src/main/java/slash/navigation/maps/MapManager.java
	mapsforge-maps/src/main/java/slash/navigation/maps/models/DownloadMap.java
	mapsforge-maps/src/main/java/slash/navigation/maps/models/MapsTableModel.java
	mapsforge-maps/src/main/java/slash/navigation/maps/models/RendererMap.java
	mapsforge-maps/src/main/java/slash/navigation/maps/models/ResourcesTableModel.java
	mapsforge-mapview/src/main/java/slash/navigation/converter/gui/mapview/MapSelector.java
	mapsforge-mapview/src/main/java/slash/navigation/converter/gui/mapview/renderer/MapListCellRenderer.java
	route-converter/src/main/java/slash/navigation/converter/gui/dialogs/MapsDialog.java
	route-converter/src/main/java/slash/navigation/converter/gui/renderer/MapsTableCellRenderer.java
introduce <map>
new maps