[gtk] (8 commits) Non-fast-forward update to branch columnview-rubberbanding

[Matthias Clasen <matthiasc src gnome org>]

The branch 'columnview-rubberbanding' 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:

  e98f70d... Add GtkMultiSelection
  92729a9... listbase: Add rubberband selection
  15d494d... Add rubberband api
  e904668... gtk-demo: Make gridview demo use rubberbanding

Commits added to the branch:

  5e54da9... Cosmetic improvements to the filebrowser demo
  c527c64... Add GtkMultiSelection
  1b70d54... listbase: Add rubberband selection
  39033a7... Add autoscroll
  961e0cc... listbase: Use a widget for the rubberband
  da5e8fc... listbase: Split off rubberband data
  79aefe3... Add rubberband api
  9f21e3c... gtk-demo: Make gridview demo use rubberbanding