[gedit] (3 commits) Non-fast-forward update to branch wip/printing-improvements

[Sébastien Wilmet <swilmet src gnome org>]

The branch 'wip/printing-improvements' 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:

  7a717db... print-preview: various small code enhancements

Commits added to the branch:

  427bd7c... print-preview: when showing two columns, set zoom mode to '
  36753e4... print-preview: various small code enhancements
  55ba8e3... print-preview: replace floor(0.5 + ...) by round(...)