message: Take a NotCurrent context builder instead
  The default context builder is NotCurrent
diff: @@ -25,7 +25,7 @@ use std::fmt;
  use std::rc::Rc;
  use std::ops::Deref;
  use std::os::raw::c_void;
  -use glutin::PossiblyCurrent as Pc;
  +use glutin::{PossiblyCurrent as Pc, NotCurrent};
  /// A GL context combined with a facade for drawing upon.
  ///
  @@ -63,7 +63,7 @@ impl Display {
  /// by the implementation.
  pub fn new(
  wb: glutin::WindowBuilder,
  - cb: glutin::ContextBuilder<Pc>,
  + cb: glutin::ContextBuilder<NotCurrent>,
  events_loop: &glutin::EventsLoop,
  ) -> Result<Self, DisplayCreationError>
  {
  @@ -130,7 +130,7 @@ impl Display {
  pub fn rebuild(
  &self,
  wb: glutin::WindowBuilder,
  - cb: glutin::ContextBuilder<Pc>,
  + cb: glutin::ContextBuilder<NotCurrent>,
  events_loop: &glutin::EventsLoop,
  ) -> Result<(), DisplayCreationError>
  {
  