Changed gfx rename field command to gfx modify field REGION_PATH/FIELD_NAME rename, to avoid clashes with comfiles using abreviating gfx read to gfx re.  https://tracker.physiomeproject.org/show_bug.cgi?id=1123
Changed gfx rename field command to gfx modify field REGION_PATH/FIELD_NAME rename, to avoid clashes with comfiles using abreviating gfx read to gfx re.  https://tracker.physiomeproject.org/show_bug.cgi?id=1123

cmiss/cmgui,cmiss/cmgui