[gitg] (7 commits) Non-fast-forward update to branch xiaoguang/split-view

[Alberto Fanjul <albfan src gnome org>]

The branch 'xiaoguang/split-view' 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:

  48ffc3a... diff-view: Add split view function
  2efbd48... change button for view to radio button

Commits added to the branch:

  daa4530... CI: Reuse the docs built from the flatpak job (*)
  a1441cd... commit-paned: Use a GtkActionBar for the commit tool bar (*)
  6dd8b8e... diff-view: Slide the options up (*)
  67f2d20... libgitg: fix linking on macOS (*)
  6784aa9... build: Remove autotools (*)
  664f710... diff-view: Add split view function
  a3a907f... change button for view to radio button

(*) This commit already existed in another branch; no separate mail sent