[gimp] (8 commits) Created branch pippin/linear-is-the-new-black

[Øyvind Kolås <ok src gnome org>]

The branch 'pippin/linear-is-the-new-black' was created.

Summary of new commits:

  558d3ab... app: unconditionally promote image to linear 32bit floating
  98fb0c4... app: dither floating point result on load if original is 8b
  6abef01... operations: make brightness-contrast, levels and curves ope
  065cfdc... app: change histogram, to default to linear
  d2c5d39... app: make levels config request linear colors
  e832c05... app: make curves tool pick in linear
  579e410... app: disable/hide gamma-hack
  da8cd99... app: hide advanced color options