Add icons.

data/icons/22x22/Makefile.am

@@ -0,0 +1,16 @@
+size = 22x22
+
+icondir = $(datadir)/icons/hicolor/$(size)/apps
+dist_icon_DATA = eekboard.png
+
+gtk_update_icon_cache = gtk-update-icon-cache -f -t $(datadir)/icons/hicolor
+
+install-data-hook:
+	@-if test -z "$(DESTDIR)"; then			\
+		echo "Updating Gtk icon cache.";	\
+		$(gtk_update_icon_cache);		\
+	else						\
+		echo "*** Icon cache not updated.  After install, run this:"; \
+		echo "***   $(gtk_update_icon_cache)";	\
+	fi
+