LIBDRUM-341. Implement CommunityGroup feature for XMLUI.

Copied CommunityBrowser class and communitylist.xsl to modules for customization.

https://issues.umd.edu/browse/LIBDRUM-341
Dspace formatter changes
LIBDRUM-341. Implement CommunityGroup feature for XMLUI.

Community list page now display grouped under department and umd categories.

https://issues.umd.edu/browse/LIBDRUM-341
Merge branch 'feature/LIBDRUM-337' into feature/LIBDRUM-341
LIBDRUM-341. Implement CommunityGroup feature for XMLUI.

Coping classes to modules for customization.

https://issues.umd.edu/browse/LIBDRUM-341
LIBDRUM-341. Implement CommunityGroup feature for XMLUI.

Coping classes to modules for customization.

https://issues.umd.edu/browse/LIBDRUM-341
LIBDRUM-341. Implement CommunityGroup feature for XMLUI.

Community group can now be set from the create and edit community forms.

https://issues.umd.edu/browse/LIBDRUM-341
LIBDRUM-341. Implement CommunityGroup feature for XMLUI.

Community list display fix.

https://issues.umd.edu/browse/LIBDRUM-341
LIBDRUM-341. Implement CommunityGroup feature for XMLUI.

Addied error log message.

https://issues.umd.edu/browse/LIBDRUM-341
Merge branch 'feature/LIBDRUM-341' into feature/LIBDRUM-337