Deploy specific plugins instead of deploying all
plugins with exceptions.

Before macdeployqt would deploy nearly all plugins.
The plugins themselves weren't necessarily a problem,
but this would also pull in all plugin dependencies,
massively bloating the app bundle.

Change-Id: Ia8d8b795101958da83b299e1d8922a01b5e8f13d
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>