We want to use more layouts in our examples as it is the
recommended way to create tool bars etc.

Change-Id: Ib3b1e8e907cc5277d522557a19d2c294a7d251b1
Reviewed-by: J-P Nurmi <jpnurmi@digia.com>

This makes sure all examples are in a separate directory for the
Qt source packages. It also is in line with how the other repositories
are structured.

Task-number: QTBUG-30886
Change-Id: Idc2856e5dfaf467c8cb9764aee327a3b20c7b2d0
Reviewed-by: Caroline Chao <caroline.chao@digia.com>