2006-06-21  Murray Cumming <murrayc@murrayc.com>

        * docs/user-guide/C/figures/glom_design_fields.png:
        * docs/user-guide/C/figures/glom_design_fields_dialog_calculated.pn
        g: Added screenshots for use in the user guide.
        * docs/user-guide/C/figures/start.png: Updated.
        * docs/user-guide/C/glom.xml: Added Calculated Fields appendix, based
        on the content in the Wiki.