Add a favicon.ico

Obtained here:
  http://www.favicon.cc/?action=icon&file_id=8253#

License: Creative Commons, no attribution
Stop IE asking for browserconfig.xml

See http://msdn.microsoft.com/en-us/library/ie/dn320426(v=vs.85).aspx
Merge branch 'master' into test

Conflicts:
	layouts/default.html