Add examplesinstallpath in qdocconf
Add examplesinstallpath in qdocconf

If we don't add examplesinstallpath the examples won't be shown in
Qt Creator's welcome page.

Change-Id: Ia1c0015262e4dd3c6de83d7d73231e3e3e0cf027
Reviewed-by: Paul Olav Tvete <97541fb6312d77f06e19078c7c70b2c1f75fb828@digia.com>

kobolabs/qtandroidextras,kobolabs/qtandroidextras,kobolabs/qtandroidextras