Added a FlipView - microsoft/microsoft.github.io#15

Added a WinJS FlipView as a carousel.

It will automatically flip through items on a 5 second timer.
Revert "Added a FlipView - microsoft/microsoft.github.io#15"

This reverts commit 60e88adad1e3f606c0400df424223f8220aa27c9.
Merge remote-tracking branch 'upstream/master'