removed leftovers from submodule uglifyjs, added credits file,

cleaned up CSS, changed template to output clean XHTML 5,
added unit tests for 60% of the code, found a few bugs by doing
that and fixed them

CREDITS.md

@@ -0,0 +1,8 @@
+Credits
+=======
+Sébastien Sauvage - original idea and main developer
+
+Alexey Gladkov - syntax highlighting
+Greg Knaddison - robots.txt
+MrKooky - XHTML5 markup, CSS cleanup
+Simon Rupf - MVC refactoring, configuration support and unit tests