[gthumb] (23 commits) ...Help title is missing a space between "gThumb" and "Help"

[Paolo Bacchilega <paobac src gnome org>]

Summary of changes:

  c12333e... tweaks to the catalog icon
  9a3c65e... updated for version 2.90.1
  9aaf611... configure: removed info on libunique, which is not used any
  15ff068... added work queues extension as a more powerful way to selec
  170c0a2... use gth_file_source_read_metadata  instead of gth_file_sour
  1fc0902... catalog: fixed the scheme name
  b8ea540... work queues: added keyboard accelerators to view the queues
  43d9ac2... call the gth-browser-file-list-key-press hook only if the l
  8bcefac... abort if the extensions folder doesn't exist
  3038953... abort if a mandatory extension cannot be loaded
  a60d757... set the 'error' variable if the extension description could
  583dabd... compare the uris instead of the files
  363db5d... work queues: use the term 'selection' instead of 'work queu
  2012f8b... work queues: added some info on how to use the selections
  6223992... extra widget: use a smaller padding between labels, center 
  6313625... extra widget: disable the line_wrap option to ellipsize the
  5f5ba69... work queue: added icons
  8297916... renamed work queues to selections
  ac19a8e... Merge branch 'selections'
  e6d6bf0... selections: added context menu commands to add files to a s
  e6b3f6f... Merge branch 'release-notes'
  87b7ddb... updated NEWS
  d22aeb9... Help title is missing a space between "gThumb" and "Help"