[gtk] (18 commits) Non-fast-forward update to branch wip/otte/color-profiles

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/color-profiles' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  818e478... gl: Refactor texture upload code
  5547561... API: Add gdk_memory_texture_new_with_color_profile()
  6e5df49... jpeg: Parse ICC profiles
  88774ac... widget-factory: Name the images pages
  84f4fdc... widget-factory: Add gradient rendering test
  fcd1b4a... gtk-demo: Add a color profile demo
  c006ac1... Revamp the color profile demo
  3ec2fd3... surface: Use g_clear_thing()
  12a8d19... xxx
  4748903... 818e47845a0caad78807fc281e291f0bc4877982
  6204dec... API: Add GdkSurface::color-profile

Commits added to the branch:

  1155632... gl: Refactor texture upload code
  50d006a... API: Add gdk_memory_texture_new_with_color_profile()
  2660af7... jpeg: Parse ICC profiles
  b10544c... widget-factory: Name the images pages
  51abe26... widget-factory: Add gradient rendering test
  faee772... gtk-demo: Add a color profile demo
  d86aaa5... Revamp the color profile demo
  9bf79e3... surface: Use g_clear_thing()
  a800a32... API: Add GdkSurface::color-profile
  f001724... gl: Move memory <=> GL format mapping
  0052fce... memorytexture: Add gdk_memory_texture_convert()
  1d75a17... gl: Move gdk_gl_context_upload_texture() into NGL
  d40139c... cairo: Add color profile get/set
  058b3ce... gdk: Rework gdk_pixbuf_get_from_texture()
  92dad72... broadway: Use gdk_texture_save_to_png_bytes()
  b6be03f... gdk: Make gdk_texture_download_surface() take a target colo
  c670f8e... gdk: Add srgb_linear color profile
  e284a34... FIXME: Add crude color management impl for cairo