[gtk] (6 commits) Non-fast-forward update to branch ebassi/gidocgen

[Emmanuele Bassi <ebassi src gnome org>]

The branch 'ebassi/gidocgen' 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:

  884ffac... widget: Fix up some links
  37e9fbe... text: Fix some copy-paste mishap
  f8c6713... label: Fix some external links
  8f848ad... docs: Show class hierarchy in the API references
  1a09a1c... Handle static inline GtkOrdering function
  e92923a... build: Add a GIR dependency to PangoCairo

Commits added to the branch:

  64a5d5a... widget: Fix up some links
  7baff12... text: Fix some copy-paste mishap
  ef251f2... label: Fix some external links
  5e60d4b... docs: Show class hierarchy in the API references
  2ea64b4... Handle static inline GtkOrdering function
  4d84a8f... build: Add a GIR dependency to PangoCairo