Add multilightbox library import/export script

Nice script for easily sharing changes between the library and the
extension. Tested a few times.

Change-Id: I6de5d95e78113f8f2ac4e0adba1abc7261886890

importml.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+if [ $1 = "--reverse" ]; then
+	MLDIR=$2
+else
+	MLDIR=$1
+fi
+
+JSDIR=$MLDIR/lib
+CSSDIR=$MLDIR/css
+IMGDIR=$MLDIR/img
+
+if [ $1 = "--reverse" ]; then
+	cp js/multilightbox/* $JSDIR
+	cp css/multilightbox.css $CSSDIR
+	cp img/close.svg img/fullscreen.svg img/defullscreen.svg $IMGDIR
+	cp js/multilightbox/hooks.txt $MLDIR
+else
+	cp $JSDIR/* js/multilightbox/
+	cp $CSSDIR/* css/
+	cp $IMGDIR/* img/
+	cp $MLDIR/hooks.txt js/multilightbox/
+fi