FALCON-2330 Update Notice copyright period to 2018

Author: sandeep <sandysmdl@gmail.com>
Author: Sandeep Samudrala <sandysmdl@gmail.com>
Author: sandeep.samudrala <sandeep.samudrala@inmobi.com>
Author: sandeep samudrala <sandysmdl@gmail.com>

Reviewers: @pallavi-rao

Closes #406 from sandeepSamudrala/master and squashes the following commits:

1c568b2c7 [Sandeep Samudrala] FALCON-2330 Update Notice copyright period to 2018
db7a7f71f [Sandeep Samudrala] Merge branch 'master' of https://github.com/apache/falcon
755bddfe6 [sandeep samudrala] FALCON-2330 updating notice copyright
be26019aa [Sandeep Samudrala] Merge branch 'master' of https://github.com/apache/falcon
974dbbe80 [Sandeep Samudrala] FALCON-2324 Retry, Latererun and JobLog mover services not working with kerberos enabled
678df54d1 [Sandeep Samudrala] Merge branch 'master' of https://github.com/apache/falcon
9c907efdb [sandeep.samudrala] FALCON-2319. Falcon Build failure fix for enunciate
b5fb5786c [sandeep.samudrala] git applyMerge branch 'master' of https://github.com/apache/falcon
575e76866 [sandeep.samudrala] Merge branch 'master' of https://github.com/apache/falcon
e0ad35884 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
f96a084f6 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
9cf36e93f [sandeep] Merge branch 'master' of https://github.com/apache/falcon
bbca081ff [sandeep] Merge branch 'master' of https://github.com/apache/falcon
48f6afaca [sandeep] Merge branch 'master' of https://github.com/apache/falcon
250cc4609 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
d0393e98d [sandeep] Merge branch 'master' of https://github.com/apache/falcon
a17880526 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
d6dc8bfaa [sandeep] Merge branch 'master' of https://github.com/apache/falcon
1bb8d3c72 [sandeep] Merge branch 'master' of https://github.com/apache/falcon
c06556623 [sandeep] reverting last line changes made
1a4dcd234 [sandeep] rebased and resolved the conflicts from master
271318b9c [sandeep] FALCON-2097. Adding UT to the new method for getting next instance time with Delay.
a94d4fe07 [sandeep] rebasing from master
9e68a5783 [sandeep] FALCON-298. Feed update with replication delay creates holes
diff --git a/NOTICE.txt b/NOTICE.txt
index 4533600..8fb6c3a 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,6 +1,6 @@
 Apache Falcon
 
-Copyright 2011-2016 The Apache Software Foundation
+Copyright 2011-2018 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).