Update gimp from 2.8 to 2.10

[david]

to test it

bee update babl gegl lcms2 fontconfig libgexiv2 poppler-data

bee remove libpng15

bee install libpng16 libmypaint mypaint-brushes libpng15_compat

bee update gimp

[donald]

Update commands:

#! /bin/sh
bee update babl-0.1.46-0
bee update gegl-0.4.0-0
bee update fontconfig-2.12.4-0
bee update lcms2-2.9-0
bee update libgexiv2-0.10.8-0
bee update poppler-data-0.4.9-0
bee remove libpng15-1.5.11-0.x86_64
bee install libpng15_compat-1.5.30-0
bee install libpng16-1.6.34-0
bee install libmypaint-1.3.0-0
bee install mypaint-brushes-1.3.0-0
bee update gimp-2.10.0-0

[david]

tested on sigusr2

[donald]

Removes one shared library, which is used by shotwell ( libgexiv2.so.1 ) but that doesn't matter, because shotwell is already missing libexiv2.so.10

[donald]

tested on theinternet

[donald]

strictly speaking, this is wrong, but next commit fixes it :-)

[donald]

Nice job.