[update] Update to upstream HEAD
Squashed 'calligra/' changes from 0bc3d40..36bc721

36bc721 components: Replace the three examples with a single Viewer example
087d35e components: Start implementing the ContentsModel
4cacf73 components: Clean up and improve the zooming in ViewController
c63f8d5 components: Add a zoom property and lots of documentation to View
2a2b1e0 components: Add \default alias to Doxyfile
5463661 components: Add a currentIndex property to Document
af897f1 components: Add getters for KoDocument/KoZoomController to Document
ed64a61 components: Add a currentIndex property to DocumentImpl and handle it in all subclasses
9817ef9 components: Minor cleanup in ComponentsKoCanvasController
9dff1cf components: Add a getter/setter for the KoDocument to DocumentImpl
ebfa62a Resolve two C++11 incompatibilities

git-subtree-dir: calligra
git-subtree-split: 36bc7218b04db366adfe79d8b391af8bc6cd3b67
Merge commit '9068e1f67e4f7ced056d1c8c1bf75f5535f060b8'