Added needed patches. Some are upstream backports.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Signed-off-by: Johannes Morgenroth <jm@m-network.de>

Since the current release of the package does not provide a
configure option to disable this dependency, a patch is necessary
to add this option.

Signed-off-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>