LU-2928 build: update commit exclusion list for 2.1.5

LU-2928 build: update commit exclusion list for 2.1.5

The mass update should be excluded from future
looks at the copyrights.  Copyright updates are
not a reason to update a copyright.

Signed-off-by: Keith Mannthey <keith.mannthey@intel.com>
Change-Id: Ibf15639882dd2f3f13593f4ad7c4cfd7171f6b7d
Reviewed-on: http://review.whamcloud.com/5651
Tested-by: Hudson
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>