added road trip demo

demos/css-regions/road-tip/LICENSE.md

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+Copyright (C) 2012 Adobe Systems, Incorporated. All rights reserved.
+
+The contents of this package are subject to various licenses. 
+You will find the license information either directly in the files 
+or the directory will contain the appropriate license for the components of that directory.
+
+Unless otherwise noted, code and content is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/3.0/">Creative Commons Attribution 3.0 Unported License</a>.

demos/css-regions/road-tip/THANKS.md

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+A very warm "Thank you!" to all the people who helped in building this demo by granting free use of their work. 
+
+The licenses for their work are located in their respective folders.        
+
+
+- Thanks, Jeremy Ashkenas from DocumentCloud, for [UnderscoreJS](http://documentcloud.github.com/underscore/)
+
+- Thanks, Brad Birdsall, for [Swipe](http://swipejs.com/) 
+
+- Thanks, Atle Mo from SubtlePatterns, for the [Black linen 2](http://subtlepatterns.com/?p=585)
+
+- Thanks, awesome people who contributed to the [Wikipedia "Road Trip"](http://en.wikipedia.org/wiki/Road_trip) article