Merged revision(s) 1578128-1578131 from lucene/dev/branches/branch_4x:
As mentioned by Mark Struberg: Update year in NOTICE.txt

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_4_7@1578536 13f79535-47bb-0310-9956-ffa450edef68