homogenize keywords

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@52858 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.grow/main.c

@@ -120,6 +120,7 @@ int main(int argc, char **argv)
 
     module = G_define_module();
     G_add_keyword(_("raster"));
+    G_add_keyword(_("distance"));
     module->description =
 	_("Generates a raster map layer "
 	  "with contiguous areas grown by one cell.");

scripts/d.rast.leg/d.rast.leg.py

@@ -39,6 +39,7 @@
 #%module
 #% description: Displays a raster map and its legend on a graphics window
 #% keywords: display
+#% keywords: cartography
 #%end
 #%flag
 #%  key: f

scripts/d.shadedmap/d.shadedmap.py

@@ -17,6 +17,7 @@
 #%module
 #% description: Drapes a color raster over a shaded relief map.
 #% keywords: display
+#% keywords: elevation
 #%end
 #%option G_OPT_R_INPUT
 #% key: reliefmap

scripts/r.blend/r.blend.py

@@ -17,6 +17,7 @@
 #%module
 #% description: Blends color components of two raster maps by a given ratio.
 #% keywords: raster
+#% keywords: composite
 #%end
 #%option G_OPT_R_INPUT
 #% key: first