[gi-docgen] (2 commits) Non-fast-forward update to branch issue-117

[Emmanuele Bassi <ebassi src gnome org>]

The branch 'issue-117' 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:

  425b7d8... template: Don't check for pointer when nullables will do

Commits added to the branch:

  1f38411... template: Don't check for pointer when nullables will do
  b125b0f... template: Check for nullable in-out arguments