ZOOKEEPER-2465: Documentation copyright notice is out of date.
ZOOKEEPER-2465: Documentation copyright notice is out of date.

Author: Edward Ribeiro <edward.ribeiro@gmail.com>

Reviewers: Michael Han <2f9403a2b668df54cdd1a5cc49daa19020fa6a0c@apache.org>

Closes #138 from eribeiro/ZOOKEEPER-2465

(cherry picked from commit 5c9299d60f66afb00072ebeadead49f4410aa11f)
Signed-off-by: Michael Han <2f9403a2b668df54cdd1a5cc49daa19020fa6a0c@apache.org>

naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper