Add ldoc_changed.sh script for updating docs

Author: sparr

ldoc_changed.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+#
+# Run `ldoc` against the current directory, then `git checkout` any files whose only change is the "Last updated" line
+
+ldoc .
+git diff -G"<i style=\"float:right;\">Last updated " --numstat | awk '{if ($1==1 && $2==1) {print $3} }' | xargs git checkout