[caribou] (11 commits) ...Merge branch 'keyboard_position'

[Eitan Isaacson <eitani src gnome org>]

Summary of changes:

  715ebb3... Put keyboard above text when at screen bottom. (*)
  0d88cdf... some bigger changes (*)
  6f172cc... The start of some placement code (*)
  4649c85... made an abstract axis as not to duplicate x and y code (*)
  7b04e08... Fixed more positioning things. (*)
  f543b33... seperate calculating position and moving (*)
  de54f1f... Merge branch 'master' into keyboard_position (*)
  63b1d3b... Merge branch 'master' into keyboard_position (*)
  774c558... Made special CaribouWindowEntry class to demonstrate more s (*)
  b6810c2... Add gtk prefix to gdk.Rectangle symbol
  130bc37... Merge branch 'keyboard_position'

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