[gimp] (24 commits) Non-fast-forward update to branch wip/nielsdg/fix-gtkdoc-warnings

[Michael Natterer <mitch src gnome org>]

The branch 'wip/nielsdg/fix-gtkdoc-warnings' 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:

  b3e4837... docs: Fix warnings for annotations

Commits added to the branch:

  c822350... plug-ins: forgot to change run() signature to new API in py (*)
  4962428... app: relax GIMP_TYPE_INT32 checks in gimp_pdb_execute_proce (*)
  0f8747f... app: avoid GIMP_TYPE_INT32 with gimp_pdb_execute_procedure_ (*)
  1661aab... plug-ins: link dds plugins against libm (*)
  224af7e... Update Polish translation (*)
  6e80a23... libgimp: port gimp*select.[ch] to the new plug-in API (*)
  b603368... plug-ins: add all brush, pattern etc. select buttons to pag (*)
  ae7fa2a... libgimp: clean up the instance private code in all select b (*)
  89feeec... libgimp: make GimpFontSelectButton interpret NULL as the cu (*)
  026cc0f... libgimp: fix s/m_float/m_enum/ for GP_PARAM_DEF_TYPE_ENUM. (*)
  fad5961... libgimp: port gimpprogress to the new plug-in API, untested (*)
  d34bc03... libgimp: don't leak the temp callback name in the data sele (*)
  454822e... data: add python.env to set up the GI_TYPELIB_PATH to Gimp- (*)
  ca1cb05... libgimp: move the shm code to new private files gimp-shm.[c (*)
  1c317a7... libgimp: forgot to actually add gimp-shm.[ch] (*)
  3f5595a... Update German translation (*)
  360314e... pdb: fix generation of "Returns:" to not line-wrap annotati (*)
  5ac8b70... pdb: generate the (array length=foo) annotation with less h (*)
  888c42f... libgimpbase: remove the gimp protocol mutex and gp_lock()/g (*)
  a74f4de... libgimp: some random minor cleanups (*)
  8c1a43d... libgimp: move the debug code to new private files gimp-debu (*)
  21d63d6... pdb: fix the names of the oilify compat PDB wrappers (*)
  32823f1... libgimpbase: reorder types and structs in gimpprotocol.h (*)
  e77382e... docs: Fix warnings for annotations

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