[gimp] (14 commits) Non-fast-forward update to branch wip/wormnest/iptc-multiple-keys

[Jehan <jehanp src gnome org>]

The branch 'wip/wormnest/iptc-multiple-keys' 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:

  236923c... libgimpbase: fix incorrect reading of iptc tags that appear
  200e692... plug-ins: Refactor certain string handling into separate fu
  f1970bb... plug-ins: fix incorrect reading of iptc tags that appear mo
  2163f8b... plug-ins: fix incorrect single/multi(ple) values for certai
  229dbc4... plug-ins: fix incorrect struct used for comparison in metad
  2631afe... plug-ins: Refactor cleaning xmp values into a separate func
  36dc3c0... plug-ins: fix not showing all values of iptc tags that appe
  04de258... plug-ins: In metadata-editor always read iptc equivalent va
  d1593c2... plug-ins: add missing Iptc equivalents of Xmp tags in metad
  bd7eac2... plug-ins: let metadata-editor also save Iptc tags.
  14b206d... plug-ins: fix metadata-editor not saving Xmp.photoshop.Urge
  d7b6409... plug-ins: in metadata editor and viewer only convert values

Commits added to the branch:

  5fa38d5... libgimp: bug fixes and design improvements for generated wi (*)
  501675b... plug-ins: file-png now uses generated dialog. (*)
  d0f67fa... libgimpbase: fix incorrect reading of iptc tags that appear
  599d91d... plug-ins: Refactor certain string handling into separate fu
  26db975... plug-ins: fix incorrect reading of iptc tags that appear mo
  786aaec... plug-ins: fix incorrect single/multi(ple) values for certai
  c855590... plug-ins: fix incorrect struct used for comparison in metad
  bd2f43b... plug-ins: Refactor cleaning xmp values into a separate func
  879b374... plug-ins: fix not showing all values of iptc tags that appe
  7cce45b... plug-ins: In metadata-editor always read iptc equivalent va
  96c5d1c... plug-ins: add missing Iptc equivalents of Xmp tags in metad
  47065df... plug-ins: let metadata-editor also save Iptc tags.
  d004305... plug-ins: fix metadata-editor not saving Xmp.photoshop.Urge
  3128047... plug-ins: in metadata editor and viewer only convert values

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