Update the README instructions to use hub tool.
Update the README instructions to use hub tool.

gauribhoite/personfinder,google/personfinder,ominux/personfinder,namanjain236/personfinder,gauribhoite/personfinder,lucasmoura/personfinder,kspviswa/personfinder,gimite/personfinder,gauribhoite/personfinder,g19-hs/personfinder,gimite/personfinder,google/personfinder,gauribhoite/personfinder,gimite/personfinder,gimite/personfinder,groschovskiy/personfinder,g19-hs/personfinder,clobrano/personfinder,google/personfinder,ominux/personfinder,namanjain236/personfinder,AwesomeTurtle/personfinder,clobrano/personfinder,lucasmoura/personfinder,gauribhoite/personfinder,gauribhoite/personfinder,groschovskiy/personfinder,clobrano/personfinder,google/personfinder,kspviswa/personfinder,AwesomeTurtle/personfinder,AwesomeTurtle/personfinder