Revert target-release to 'UNRELEASED'
Don't include <linux/types.h> on non-linux platforms
kFreeBSD fixes for 3dp
Removed pdp_opengl

pdp-0.14 does not yet include pdp_opengl (aka 3dp);
i tried to keep the changes for disabling 3dp to a minimum,
in order to allow easy re-enabling.
Updated debian/{NEWS,changelog}
Made [pdp_help_input] work in any circumstances
Release pdp-0.14.0-1 to unstable

Updated debian/{changelog,NEWS}