Alter the way type and TNF are treated in the qml API

Change-Id: Iff972e1645447a57eb72e3006318a9dd5b2d5c9b
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
QML Near Field: Allow detecting NDEF messages without setting a filter

Change-Id: Ifb85ddb23df8e5302aac1b70b893f71e0fe8462d
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>