Fix the examples so they can be deployed on Android

Change-Id: I8d3b0c84091cf7743164c083318e0a115e948d1c
Reviewed-by: Lorn Potter <lorn.potter@jollamobile.com>
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
BlackBerry: Update threshold for close detection

The current algorithm for close detection in QProximitySensor will not
work for sensors whose output is not binary (ie, close/far). The new
algorithm will use the threshold of 8cm when the output is not binary.

Change-Id: I2173e9afae0a2d29434e092e1afc09d1c6f5647c
Reviewed-by: Bernd Weimer <bweimer@blackberry.com>
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Merge remote-tracking branch 'origin/stable' into wip/tizen

Change-Id: Ice257c8e1339624355ea510291d56439e90ebb91