[gimp] (45 commits) Non-fast-forward update to branch wip/Jehan/classy-GIMP

[Jehan <jehanp src gnome org>]

The branch 'wip/Jehan/classy-GIMP' 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:

  fefe904... app, pdb, libgimp: add a new GimpImage class for plug-ins.
  169668e... libgimp: change all non-generated API to use GimpImage.
  4644d9a... libgimp: create and use gimp_image_new_by_id().
  9a901b8... libgimp: generate functions both for old and new GimpImage 
  01cfd3a... pdb: keep both the old and new API alive.
  58213b2... libgimp: update non-generated API to allow old and new API.
  e3659f6... plug-ins: keep building all plug-ins with old API.
  ccd8a3d... libgimp: allow object GimpImage as procedure parameter.
  dd3e843... libgimp, pdb: add GimpItem > GimpDrawable > GimpLayer class
  3cac2a0... libgimp: update non-generated API using GimpItem/GimpDrawab
  289ac6c... plug-ins: ported a few plug-ins to new GimpImage/GimpDrawab
  a982862... libgimp: allow object GParamSpec for GimpItem and child cla
  1fce030... plug-ins: C goat-exercise now ported to new GimpImage/GimpD
  929c370... plug-ins: port JavaScript goat-exercise to new GimpImage AP
  f64382e... plug-ins: use GimpDrawable class in Python goat-exercise.
  d77bf41... pdb, libgimp: now make all ID types classes of their own.
  24bbb79... libgimp: fix the non-generated API with the new class types
  cdf79ce... libgimp, pdb: no need to create deprecated versions for pri
  b2e35cc... libgimp: nicer API for functions returning a list.
  bee3402... libgimp: support all GimpItem subclasses as argument and re
  73d0792... libgimp: GimpSaveProcedure() now uses GimpImage/GimpDrawabl
  4403a3f... plug-ins: port file-ico to the new GimpImage/GimpDrawable o
  3d38cf8... plug-ins: port file-pat to GimpImage/GimpDrawable.
  bc405b4... plug-in: port file-gbr to GimpImage/GimpDrawable.
  68e51ec... plug-ins: port file-gih to GimpImage/GimpDrawable.
  8ddb7fe... plug-ins: port file-desktop-link to GimpImage/GimpDrawable.
  589ba2b... plug-ins: port file-compressor to GimpImage/GimpDrawable.
  d3d0d58... plug-ins: port file-raw plug-ins to GimpImage/GimpDrawable.
  3174e3c... plug-ins: improve parameter creation on Python 3 goat-exerc
  61bca87... libgimp: s/gimp_image_new_by_id()/gimp_image_get_by_id()/
  62e5de7... libgimp: s/gimp_display_new_by_id/gimp_display_get_by_id/
  9ee8750... libgimp: GimpItem now also belong to libgimp.
  eb653bf... app, libgimp: add some first concept of signalling to plug-
  eaff396... plug-ins: implement handling of "destroyed" in the 3 goat-e
  15145b8... plug-ins: port file-sgi to GimpImage/GimpDrawable.
  89b9355... plug-ins: port file-exr to GimpImage/GimpDrawable.
  6e51bc9... plug-ins: port colormap-remap to GimpImage/GimpDrawable.
  90210d9... plug-ins: port screenshot to GimpImage/GimpDrawable.
  b121c36... plug-ins: port file-png to GimpImage/GimpDrawable.
  70c46e3... plug-ins: port mail to GimpImage/GimpDrawable.
  39d403b... plug-ins: port file-tiff to GimpImage|Drawable|Vectors, etc

Commits added to the branch:

  f705bfb... libgimpbase: return 0 for GIMP_UNIT_PIXEL in gimp_unit_get_ (*)
  e6e97bd... app, pdb, libgimp: add a new GimpImage class for plug-ins.
  d96031f... libgimp: change all non-generated API to use GimpImage.
  b9bf141... libgimp: create and use gimp_image_new_by_id().
  a22705f... libgimp: generate functions both for old and new GimpImage 
  b71c54e... pdb: keep both the old and new API alive.
  1418a75... libgimp: update non-generated API to allow old and new API.
  b3f7cf3... plug-ins: keep building all plug-ins with old API.
  75dd083... libgimp: allow object GimpImage as procedure parameter.
  fa9c376... libgimp, pdb: add GimpItem > GimpDrawable > GimpLayer class
  fbdedb3... libgimp: update non-generated API using GimpItem/GimpDrawab
  d3cdbfc... plug-ins: ported a few plug-ins to new GimpImage/GimpDrawab
  b464d5d... libgimp: allow object GParamSpec for GimpItem and child cla
  a2fa5a4... plug-ins: C goat-exercise now ported to new GimpImage/GimpD
  d255783... plug-ins: port JavaScript goat-exercise to new GimpImage AP
  b410eec... plug-ins: use GimpDrawable class in Python goat-exercise.
  da84239... pdb, libgimp: now make all ID types classes of their own.
  d78a5e3... libgimp: fix the non-generated API with the new class types
  514fa27... libgimp, pdb: no need to create deprecated versions for pri
  9f18f03... libgimp: nicer API for functions returning a list.
  c3314ba... libgimp: support all GimpItem subclasses as argument and re
  f5f367c... libgimp: GimpSaveProcedure() now uses GimpImage/GimpDrawabl
  054cc3a... plug-ins: port file-ico to the new GimpImage/GimpDrawable o
  e8c34de... plug-ins: port file-pat to GimpImage/GimpDrawable.
  860fbbf... plug-in: port file-gbr to GimpImage/GimpDrawable.
  f0e6760... plug-ins: port file-gih to GimpImage/GimpDrawable.
  31901a8... plug-ins: port file-desktop-link to GimpImage/GimpDrawable.
  b8278df... plug-ins: port file-compressor to GimpImage/GimpDrawable.
  0fa9196... plug-ins: port file-raw plug-ins to GimpImage/GimpDrawable.
  06ba343... plug-ins: improve parameter creation on Python 3 goat-exerc
  6efebe1... libgimp: s/gimp_image_new_by_id()/gimp_image_get_by_id()/
  e8b4bea... libgimp: s/gimp_display_new_by_id/gimp_display_get_by_id/
  50e39cb... libgimp: GimpItem now also belong to libgimp.
  631707b... app, libgimp: add some first concept of signalling to plug-
  75dc5a6... plug-ins: implement handling of "destroyed" in the 3 goat-e
  f724373... plug-ins: port file-sgi to GimpImage/GimpDrawable.
  27e6369... plug-ins: port file-exr to GimpImage/GimpDrawable.
  283e83f... plug-ins: port colormap-remap to GimpImage/GimpDrawable.
  ac825ea... plug-ins: port screenshot to GimpImage/GimpDrawable.
  bd93bc0... plug-ins: port file-png to GimpImage/GimpDrawable.
  3a49452... plug-ins: port mail to GimpImage/GimpDrawable.
  6303122... plug-ins: port file-tiff to GimpImage|Drawable|Vectors, etc
  028e62f... plug-ins: unit-editor does not need GimpImage porting.
  538f74c... plug-ins: port fractal-explorer to GimpImage|Drawable.
  aeaa8e3... plug-ins: port gfig to GimpImage|Drawable.

(*) This commit already existed in another branch; no separate mail sent