Port docstrings from ffoo's mkit

setup/mk.sh

 }
 
 clean() {
+    #
+    # Clean up tree after building
+    #
     test -f built.list && {
         cat built.list | xargs rm -f
         rm -f built.list
 }
 
 dist() {
+    #
+    # Create distributable tarball
+    #
     local version=$(get_version)
     local dirname=saturnin-$version
     mkdir -p $dirname
 }
 
 install() {
+    #
+    # Install product
+    #
     mkdir -vp $bindir \
               $shrdir/ffoo \
               $lexdir
 }
 
 uninstall() {
+    #
+    # Uninstall product
+    #
     list_of_installed_bins | xargs rm -vf
     rm -vrf $shrdir
     rm -vrf $lexdir