fix install_twisted_reactor for python3 (_threadedselect is now included in twisted for py3)
fix install_twisted_reactor for python3 (_threadedselect is now included in twisted for py3)

inclement/kivy,manthansharma/kivy,LogicalDash/kivy,Cheaterman/kivy,bionoid/kivy,akshayaurora/kivy,bionoid/kivy,LogicalDash/kivy,matham/kivy,Cheaterman/kivy,matham/kivy,jkankiewicz/kivy,LogicalDash/kivy,kivy/kivy,manthansharma/kivy,Cheaterman/kivy,KeyWeeUsr/kivy,matham/kivy,Cheaterman/kivy,jkankiewicz/kivy,KeyWeeUsr/kivy,jkankiewicz/kivy,jegger/kivy,inclement/kivy,jegger/kivy,akshayaurora/kivy,manthansharma/kivy,rnixx/kivy,rnixx/kivy,kivy/kivy,inclement/kivy,rnixx/kivy,kivy/kivy,KeyWeeUsr/kivy,jegger/kivy,jegger/kivy,manthansharma/kivy,bionoid/kivy,bionoid/kivy,LogicalDash/kivy,akshayaurora/kivy,matham/kivy,KeyWeeUsr/kivy,jkankiewicz/kivy