* Changed the shebang path in 'scripts/init_template_host.py' from
'/usr/bin/python' to '/usr/bin/python3'.
* Changed the shebang path in 'scripts/engine_conv.py' from
'/usr/bin/python' to '/usr/bin/python3'.
* Added 'qt5-qtbase-devel' and 'qt5-linguist' build dependencies
to 'rivendell.spec.in'.
Signed-off-by: Fred Gleason <fredg@paraelsystems.com>