pgsql: Update copyright for 2014 - Mailing list pgsql-committers

Update copyright for 2014

Update all files in head, and files COPYRIGHT and legal.sgml in all back
branches.

Branch
------
REL9_1_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/9402169a35e8231a1ee66ade5a6e97ed97494f74

Modified Files
--------------
COPYRIGHT               |    2 +-
doc/src/sgml/legal.sgml |    4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)