A new extra component plugin.
(cherry picked from commit fbcbac5a)
(cherry picked from commit 0e3f13e921f3812f8944a22375131b4e2fd87f87)

Change-Id: Ifbcbac5a65b26da281404f63885dff884afaba78q
Reviewed-on: http://codereview.qt.nokia.com/467


Reviewed-by: hjk <qthjk@ovi.com>