Added to the rest of the examples. Causes crashing on Qt5.4 Beta without
them.

Change-Id: I7b060ccdfd5458057dd3053ca40d8569aef89dd2
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Previous commit changed the way textures are loaded, so an update is
needed to examples that use textures.

Change-Id: I18c0d9e8dac555d2dc5012ca6477b9e515c5e82f
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>