Merge r1740316 from trunk as a documentation/trivial change.

 * r1740316
   Update copyright years in NOTICE and subversion/libsvn_subr/version.c.
   Justification:
     We're not in 2015 any more.
   Votes:
     +1: kotkov


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x@1740329 13f79535-47bb-0310-9956-ffa450edef68
3 files changed