[gitg] (3 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:

  0d17b58... diff-view: Add split view function
  a4ed086... change button for view to radio button
  7643f5f... Hide split view when does not makes sense

Commits added to the branch:

  507905e... diff-view: Add split view function
  e4d98da... change button for view to radio button
  6da0b47... Hide split view when does not makes sense