Add module "async.js" to make_dist to avoid errors
Add module "async.js" to make_dist to avoid errors

kikocorreoso/brython,Mozhuowen/brython,molebot/brython,kevinmel2000/brython,Mozhuowen/brython,amrdraz/brython,jonathanverner/brython,Lh4cKg/brython,Isendir/brython,Isendir/brython,rubyinhell/brython,Hasimir/brython,brython-dev/brython,kevinmel2000/brython,olemis/brython,Lh4cKg/brython,molebot/brython,olemis/brython,brython-dev/brython,rubyinhell/brython,JohnDenker/brython,rubyinhell/brython,Lh4cKg/brython,kevinmel2000/brython,olemis/brython,Isendir/brython,brython-dev/brython,amrdraz/brython,jonathanverner/brython,amrdraz/brython,molebot/brython,amrdraz/brython,jonathanverner/brython,jonathanverner/brython,rubyinhell/brython,Lh4cKg/brython,Hasimir/brython,kikocorreoso/brython,Hasimir/brython,JohnDenker/brython,Isendir/brython,JohnDenker/brython,Mozhuowen/brython,kevinmel2000/brython,kikocorreoso/brython,olemis/brython,Mozhuowen/brython,Hasimir/brython,JohnDenker/brython,molebot/brython