Add cm:geographic Aspect, which has cm:latitude and cm:longitude, and update the Tika auto parser to map to this (plus tests)

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@20925 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/metadata/PdfBoxMetadataExtracter.java

@@ -33,12 +33,11 @@ import org.apache.tika.parser.pdf.PDFParser;
  *   <b>title:</b>                  --      cm:title
  *   <b>subject:</b>                --      cm:description
  *   <b>created:</b>                --      cm:created
+ *   <b>(custom metadata):</b>      --
  * </pre>
  * 
  * Uses Apache Tika
  * 
- * TODO - Update Tika to handle custom metadata
- * 
  * @author Jesper Steen Møller
  * @author Derek Hulley
  */