Mount command list from libexec dir

bin/saturnin.skel

@@ -16,16 +16,8 @@ usage() {
 print_help() {
     echo "valid commands:"
     echo ""
-    echo "   czrates"
-    echo "   dmenu"
-    echo "   iam"
-    echo "   ini"
-    echo "   ip"
-    echo "   ln"
-    echo "   push"
-    echo "   revert"
-    echo "   watch"
-    echo "   www"
+    ls "$saturnin_libexec" \
+      | sed -e 's/saturnin-/    /'
 }
 
 while true; do case $1 in