[gimp] (12 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:

  c1ec7cc... app: do not let pixel encoding determine layer modes
  3c9c3f7... app: duplicate normal mode, one linear and one sRGB
  0047ece... app: unconditionally promote image to linear 32bit floating
  c2574f2... app: dither floating point result on load if original is 8b
  4cf29e0... app: make levels config request linear colors
  362bb41... app: make curves tool pick in linear
  65fd7f5... operations: make brightness-contrast, levels and curves ope
  f8bb59a... app: default many created gimp_histograms to linear
  fc88142... app: hide advanced color options
  7abb3ea... png: add a combo-box for specifying png bitdepth/variant
  41bd156... app: add more non-linear/linear alternative layer modes
  8dd5f8c... XCF: add new linear layer modes