[gthumb] (9 commits) ...Fixed translatable string format

[Paolo Bacchilega <paobac src gnome org>]

Summary of changes:

  e52fa0d... use the uri as file key instead of the path that can be nul
  21c7d70... find duplicates: do not allow to choose a catalog as starin
  e157c38... always use the same height for the thumbnails
  33d7a31... use the uri as file key instead of the path that can be nul
  99bc584... changed the thumbnail style
  b423e17... use the dark border when the thumbnail is selected
  51566da... Merge branch 'find-duplicates-in-folders'
  ac52e43... find duplicates: just use g_file_get_parent to get the loca
  f2b21ac... Fixed translatable string format