Update minify_output.py
Update minify_output.py

Use lxml instead of html5lib, much faster.
phenopolis/phenopolis,phenopolis/phenopolis,pontikos/phenopolis,pontikos/phenopolis,logust79/phenopolis,Withington/phenopolis,Withington/phenopolis,pontikos/phenopolis,Withington/phenopolis,pontikos/phenopolis,logust79/phenopolis,logust79/phenopolis,logust79/phenopolis,phenopolis/phenopolis,phenopolis/phenopolis,pontikos/phenopolis,Withington/phenopolis