[gitg] (8 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:

  1a3a571... diff-view: Add split view function
  943950e... change button for view to radio button
  ad39365... Hide split view when does not makes sense
  159e50e... Improve the construction of DiffViewFile objects

Commits added to the branch:

  624dea4... Update Ukrainian translation (*)
  06d92f5... Update Ukrainian translation (*)
  60d070a... Update Ukrainian translation (*)
  67f5cd6... Fix libgitg compile on macOS (*)
  90b2c05... diff-view: Add split view function
  66bc1aa... change button for view to radio button
  076fcb2... Hide split view when does not makes sense
  e8b0981... Improve the construction of DiffViewFile objects

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