Update gitignore (suppress auto test binaries)

Change-Id: Ie99f063c35f4c7ff66cca86532d2453ee1b98199
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>
Don't export QNearFieldTagType* classes.

There is no implementation for them at this stage. Hence we remove them
from the committed API. They remain enabled via auto tests to
ensure that the code keeps working.

Task-number: QTBUG-32306
Change-Id: I5312e8436a99be4e24311bea4c92718239178ef4
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Michael Zanetti <michael.zanetti@canonical.com>
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>