Update QtSensor changelog for 5.2

Change-Id: I22dbe4447c14c48bfc812cc8fb5543d5f0fa872f
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Fix code snippet in Qt Sensors QML Types documentation.

Change-Id: I5639fb872b8e41cc5c5b5968cf1ddf7e247961e2
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Bump MODULE_VERSION to 5.2.2

Change-Id: Ic173a32836639e664e8349b28b101ee26a45ff78
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Use correct method signature for slots.

Change-Id: I09b5df218ad22afefe8a615c80585aa3fb46006f
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
Reviewed-by: Lorn Potter <lorn.potter@jollamobile.com>
send first proximity signal even when it's "closed".

This fixes a bug where the proximity sensor would send the initial
signal only when it was not closed. This will send it regardless.

Change-Id: I5f388e671091ae2a7719f700a049cea41bfaa0db
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>