contrib: update to html5lib 0.99; this requires six, pulling in 1.4.1
http://bugs.activestate.com/show_bug.cgi?id=98689

(manually integrated from komodo (trunk) change 83389 by marky)


git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14110 b87d16e7-d29f-4ee1-b5ec-817d645d335f