1. moved Features.org into doc directory.
2. created org files for RCS document and exported to html

	new file:   doc/document_history_using_rcs.html
	new file:   doc/document_history_using_rcs.org
	deleted:    Features.org
	modified:   doc/document_history_using_rcs.txt
	modified:   gnowsys-ndf/gnowsys_ndf/ndf/templates/ndf/add_editor.html
	modified:   gnowsys-ndf/gnowsys_ndf/ndf/views/ajax_views.py
UI message edited for mobedit feature