[gtksourceview] (3 commits) Non-fast-forward update to branch wip/smart-backspace

[Sébastien Wilmet <swilmet src gnome org>]

The branch 'wip/smart-backspace' 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:

  5102f10... view: add configuration to the smart-backspace
  9910649... view: bug fix and improvements of do_smart_backspace()

Commits added to the branch:

  7f03928... view: fix bug in smart-backspace
  bfeeffa... view: improvements of do_smart_backspace()
  64ea90e... view: add configuration to the smart-backspace