Add unit test and signal for/to QDeclarativeNdefRecord

Change-Id: Ifbfb2e11b072610b3f2c140a469ed73e110c2eca
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>
Fix NFC qml poster application.

It was still using an old import statement from Mobility days.

Change-Id: I6da2c1ba0be6e970bd6e961fcbf3eaf9ad2045a5
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Alex <alexander.blasche@digia.com>
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>