Add support for GPS areas

bindings/java/doxygen/artifact_catalog.dox

.../java/src/org/sleuthkit/datamodel/BlackboardArtifact.java

...java/src/org/sleuthkit/datamodel/BlackboardAttribute.java

bindings/java/src/org/sleuthkit/datamodel/Bundle.properties

...java/src/org/sleuthkit/datamodel/Bundle.properties-MERGED

...euthkit/datamodel/blackboardutils/GeoArtifactsHelper.java

...t/datamodel/blackboardutils/attributes/GeoAreaPoints.java