5321 Convenience scripts to build/clean smbsrv, idmap, zfs Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com> Reviewed by: Ilya Usvyatsky <ilya.usvyatsky@nexenta.com> Reviewed by: Kevin Crowe <kevin.crowe@nexenta.com> Reviewed by: Prakash Surya <prakash.surya@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>