Add DISTRO capability to haikuporter tool

[scottmc]

Add a step after INSTALL, to allow for automated build of binary zip packages, perhaps called DISTRO. The would consist of usually:

make install DESTDIR=/some/tempdir
cp opd/packagename.OptionalPackageDescription /some/tempdir/boot/.OptionalPackageDescription
zip -ry9 packagename-<version>-<blahblah>-YYYY-MM-DD.zip * .O*

This would require us to create an .OptionalPackageDescription file and put it into a folder called opd just as patches go into patches folder.
This would greatly speed up creating updated patches when a new version comes out. We would just need to update the version info and the rest is automatic.

Perhaps this new function would only be triggered by a certain commandline option.

[haikubot]

I think we could close it?

[scottmc]

Fixed in r487.
Thanks HaikuBot?.