[ease/animate_zoom] (13 commits) ...Merge branch 'master' into animate_zoom

[Nate Stedman <natesm src gnome org>]

Summary of changes:

  0126ff7... Use Control+Drag to resize while maintaining the center poi (*)
  4cb3e4f... undo work (*)
  ab1d9f5... Fixed undo runtime errors when slide has been switched, and (*)
  c39b207... Started working on "Open Door" transition. (*)
  b968641... "Open Door" animation added. (*)
  5e84d94... Added "Reveal" transition, with 4 variants. (*)
  2bd3d04... Started working on the "Slats" transition. (*)
  258e46a... Moved to pure vala source (no C). Removed "libease". (*)
  154ebdf... UndoController inherit from Object. (*)
  52c82cf... Move to current Clutter vapi. Unforunately, breaks all acto (*)
  5a47251... Replace from_string usages. (*)
  a89e474... Use "red", "green" and "blue" attributes instead of "color" (*)
  026f0d2... Merge branch 'master' into animate_zoom

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