[gtk] (8 commits) Non-fast-forward update to branch wip/otte/listview

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/listview' 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:

  5ac50f5... wip: Add GtkCoverFlow
  ab60f7e... Add GtkColumnView skeleton
  2d3e546... gtk-demo: Add a minesweeper demo
  a8b4a01... tests: Add testcolumnview
  328c5c7... columnview: Allow adding/removing columns
  c8fc044... Add GtkSignalListItemFactory
  80fcbbb... gtk-demo: Add a Coverflow application launcher

Commits added to the branch:

  868a9a4... wip: Add GtkCoverFlow
  de3f287... Add GtkColumnView skeleton
  19a7d94... gtk-demo: Add a minesweeper demo
  14cd7ee... columnview: Allow adding/removing columns
  06bf424... Add GtkSignalListItemFactory
  737f5db... gtk-demo: Add a Coverflow application launcher
  828815d... columnview: Add listitems for the columns
  eab942f... tests: Add testcolumnview