QHelpGenerator: Allow launch without window manager
QHelpGenerator: Allow launch without window manager

Use the minimal plugin by default.

Change-Id: I2aa08c0ffcc76ce8692b481efb25497649b9b1d7
Reviewed-by: Friedemann Kleint <1b9f2592239daaec4856ccc1cfb4d2d55b35fb71@digia.com>
Reviewed-by: hjk <6fac1c92f5b9c7890a04d7f8a9d8912d16355eac@ovi.com>

mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools