[gimp] (11 commits) ...plug-ins: use logging for some messages that seem to be for debugging only.

[Jacob Boerema <jboerema src gnome org>]

Summary of changes:

  aa2027c... plug-ins: refactor saving longitude/latitude in metadata ed (*)
  23fa5c7... plug-ins: improve casing in metadata-tags. (*)
  8db1555... plug-ins: add functions for formatting gps metadata. (*)
  34407a6... plug-ins: improve formatting of gps data in metadata-viewer (*)
  3ce15f5... plug-ins: fix incorrect formatting when switching between m (*)
  a048c8f... plug-ins: fix crash in metadata-editor when licensor phone  (*)
  c4fa4fc... plug-ins: use g_log instead of g_printerr when setting tag  (*)
  0318054... plug-ins: improve formatting of gps data in metadata-editor (*)
  3d9a9fb... plug-ins: fix #2836 GPS data is truncated to the degree whe (*)
  0ffee00... plug-ins: improve error handling and use GError in metadata (*)
  08afb7d... plug-ins: use logging for some messages that seem to be for (*)

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