doc: Add requirements for ubuntu 17.10
doc: Add requirements for ubuntu 17.10

kivy/kivy,LogicalDash/kivy,akshayaurora/kivy,matham/kivy,inclement/kivy,KeyWeeUsr/kivy,inclement/kivy,akshayaurora/kivy,matham/kivy,LogicalDash/kivy,matham/kivy,KeyWeeUsr/kivy,LogicalDash/kivy,rnixx/kivy,kivy/kivy,Cheaterman/kivy,bionoid/kivy,rnixx/kivy,bionoid/kivy,KeyWeeUsr/kivy,KeyWeeUsr/kivy,Cheaterman/kivy,Cheaterman/kivy,kivy/kivy,bionoid/kivy,rnixx/kivy,akshayaurora/kivy,bionoid/kivy,LogicalDash/kivy,Cheaterman/kivy,inclement/kivy,matham/kivy