Add messages to the uninstall script

Now the uninstall script displays some messages showing what has
been removed.

uninstall.sh

@@ -1,7 +1,18 @@
 #!/bin/sh
 
+#
+# This script uninstall pokemonsay.
+#
+
+install_path="$HOME/.config/pokemonsay/"
+bin_path="$HOME/bin/pokemonsay"
+
 # Remove the install directory
-rm -r "$HOME/.config/pokemonsay/"
+rm -r $install_path
 
 # Remove the bin file
-rm "$HOME/bin/pokemonsay"
+rm $bin_path
+
+# Say what's going on.
+echo "'$install_path' directory was removed."
+echo "'$bin_path' file was removed."