Add metadata in UVES notebook file and remove metadata.cfg (thanks @eteq for indications)

Author: migueldvb

tutorials/UVES/UVES.ipynb

@@ -1,6 +1,13 @@
 {
  "metadata": {
-  "name": ""
+  "astropy-tutorials": {
+   "author": "Hans Moritz G\u00fcnther <hguenther@cfa.harvard.edu>, Miguel de Val-Borro <valborro@princeton.edu>",
+   "date": "May 2014",
+   "link_name": "Analyzing UVES Spectroscopy with Astropy",
+   "name": "",
+   "published": true
+  },
+  "signature": "sha256:40684e0019d49a16624ba52d009646de9f71e418b85bdb50e2e8835714186512"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -85,7 +92,7 @@
      "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",
+      "[Creative Commons Attribution 3.0 License](http://creativecommons.org/licenses/by/3.0/)\n",
       "\n",
       "Authors: Moritz Guenther\n",
       "\n",
@@ -1465,4 +1472,4 @@
    "metadata": {}
   }
  ]
-}
+}