Packaging support for MacOS X 10.9 "Mavericks".

Based on work originally done by Matt Haught <dmhaught@ncsu.edu>.

Reviewed-on: http://gerrit.openafs.org/10539
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
(cherry picked from commit cb53d255a6285c884c6a5ea9a20427327b1ab9b3)

Reviewed-on: http://gerrit.openafs.org/10542
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
(cherry picked from commit 77826dd3eeb5355834e073553462856df64b9e81)

Change-Id: Ib609dfbaa337f0e5046e9a0d03aebbbfdf26873a
Reviewed-on: http://gerrit.openafs.org/10610
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
Tested-by: Stephan Wiesand <stephan.wiesand@desy.de>