[gtksourceview] (4 commits) Non-fast-forward update to branch wip/chergert/snippets

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/snippets' 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:

  c5660a0... snippet: implement basic snippet engine
  152a7de... snippets: (TEST ONLY) expand current word into snippet
  356f2d7... wip: snippet manager

Commits added to the branch:

  3952abe... file: cleanup private header
  8213ab8... snippet: implement basic snippet engine
  7d00cc8... snippets: (TEST ONLY) expand current word into snippet
  5384e9e... wip: snippet manager