[Development] Proposing Thomas McGuire for Approver

[Lorn Potter]

Hi 

I would like to nominate Thomas McGuire as an Approver for Qt Project.

https://codereview.qt-project.org/#q,owner:thomas.mcguire%2540kdab.com,n,z
https://codereview.qt-project.org/#dashboard,1000762

He has done quite some work bringing the blackberry backend to QSensors, as well as other areas, such as fixing my long standing grievance with qml not calling connectNotify. :)