added -G1 group1 tags to metadata report, as they give more information about group namespaces, and added the ability for the metadata report to recognize these group1:tag mappings to RS fields. Added configuration for preview_all_default_orientation, h (horizontal) or v (vertical)

git-svn-id: http://svn.montala.net/svn/resourcespace@4206 c08608d7-6e46-0410-86ca-f2a6f1370df5