text_pango: TextInput bind properties to refresh_line_options
text_pango: TextInput bind properties to refresh_line_options

It's not clear exactly if this is needed, but since these properties
are part of line options, I figure it's best to bind here.

akshayaurora/kivy,inclement/kivy,akshayaurora/kivy,rnixx/kivy,rnixx/kivy,inclement/kivy,kivy/kivy,rnixx/kivy,matham/kivy,kivy/kivy,inclement/kivy,matham/kivy,matham/kivy,akshayaurora/kivy,kivy/kivy,matham/kivy