add django_htmlmin and bs4 to requirements_server.txt
add django_htmlmin and bs4 to requirements_server.txt

Withington/phenopolis,phenopolis/phenopolis,Withington/phenopolis,phenopolis/phenopolis,logust79/phenopolis,logust79/phenopolis,pontikos/phenopolis,phenopolis/phenopolis,phenopolis/phenopolis,pontikos/phenopolis,Withington/phenopolis,Withington/phenopolis,logust79/phenopolis,pontikos/phenopolis,pontikos/phenopolis,logust79/phenopolis,pontikos/phenopolis