resources/static/lib/underscore-min.js: upgrade from 1.1.7 to 1.3.3

Specifically to get _.escape()

resources/static/lib/underscore-min.js

-// Underscore.js 1.1.7
-// (c) 2011 Jeremy Ashkenas, DocumentCloud Inc.
+// Underscore.js 1.3.3
+// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
 // Underscore is freely distributable under the MIT license.
 // Portions of Underscore are inspired or borrowed from Prototype,
 // Oliver Steele's Functional, and John Resig's Micro-Templating.
 // For all details and documentation:
 // http://documentcloud.github.com/underscore
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