Add CC license information to UVES tutorial

Author: migueldvb

tutorials/UVES/UVES.ipynb

@@ -84,7 +84,11 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
+      "License: This tutorial is made available under the terms of the\n",
+	"[Creative Commons Attribution 3.0 License](http://creativecommons.org/licenses/by/3.0/)\n",
+      "\n",
       "Authors: Moritz Guenther\n",
+      "\n",
       "Copyright: 2013 Moritz Guenther\n",
       "\n",
       "Based on observations made with ESO Telescopes at the La Silla Paranal Observatory\n",