Round up editable text node to the next point (#1761)
Round up editable text node to the next point (#1761)

Rounding up to the next device pixel was calculating a height smaller
than  UITextView's contentSize. This was causing the baseline to move as
the user was typing.
Adlai-Holler/AsyncDisplayKit,george-gw/AsyncDisplayKit,harryworld/AsyncDisplayKit,harryworld/AsyncDisplayKit,rmls/AsyncDisplayKit,gazreese/AsyncDisplayKit,yufenglv/AsyncDisplayKit,harryworld/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,samhsiung/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,maicki/AsyncDisplayKit,george-gw/AsyncDisplayKit,Xinchi/AsyncDisplayKit,JetZou/AsyncDisplayKit,bimawa/AsyncDisplayKit,levi/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,samhsiung/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,bimawa/AsyncDisplayKit,JetZou/AsyncDisplayKit,jellenbogen/AsyncDisplayKit,flovouin/AsyncDisplayKit,smyrgl/AsyncDisplayKit,gazreese/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,levi/AsyncDisplayKit,jellenbogen/AsyncDisplayKit,Adlai-Holler/AsyncDisplayKit,levi/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,facebook/AsyncDisplayKit,gazreese/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,garrettmoon/AsyncDisplayKit,rmls/AsyncDisplayKit,levi/AsyncDisplayKit,smyrgl/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,garrettmoon/AsyncDisplayKit,george-gw/AsyncDisplayKit,yufenglv/AsyncDisplayKit,maicki/AsyncDisplayKit,rahul-malik/AsyncDisplayKit,samhsiung/AsyncDisplayKit,harryworld/AsyncDisplayKit,flovouin/AsyncDisplayKit,smyrgl/AsyncDisplayKit,levi/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,maicki/AsyncDisplayKit,rahul-malik/AsyncDisplayKit,maicki/AsyncDisplayKit,flovouin/AsyncDisplayKit,rmls/AsyncDisplayKit,Xinchi/AsyncDisplayKit,smyrgl/AsyncDisplayKit,bimawa/AsyncDisplayKit,Adlai-Holler/AsyncDisplayKit,facebook/AsyncDisplayKit,flovouin/AsyncDisplayKit,yufenglv/AsyncDisplayKit,JetZou/AsyncDisplayKit,harryworld/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,lappp9/AsyncDisplayKit,samhsiung/AsyncDisplayKit,jellenbogen/AsyncDisplayKit,rmls/AsyncDisplayKit,romyilano/AsyncDisplayKit,Xinchi/AsyncDisplayKit,garrettmoon/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,romyilano/AsyncDisplayKit,jellenbogen/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,garrettmoon/AsyncDisplayKit,JetZou/AsyncDisplayKit,flovouin/AsyncDisplayKit,rmls/AsyncDisplayKit,facebook/AsyncDisplayKit,lappp9/AsyncDisplayKit,rahul-malik/AsyncDisplayKit,romyilano/AsyncDisplayKit,lappp9/AsyncDisplayKit,Adlai-Holler/AsyncDisplayKit,george-gw/AsyncDisplayKit,Xinchi/AsyncDisplayKit,yufenglv/AsyncDisplayKit,Xinchi/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,lappp9/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,gazreese/AsyncDisplayKit,rahul-malik/AsyncDisplayKit,garrettmoon/AsyncDisplayKit,JetZou/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,facebook/AsyncDisplayKit,jellenbogen/AsyncDisplayKit,hannahmbanana/AsyncDisplayKit,yufenglv/AsyncDisplayKit,maicki/AsyncDisplayKit,Adlai-Holler/AsyncDisplayKit,bimawa/AsyncDisplayKit,romyilano/AsyncDisplayKit