ZOOKEEPER-3273: Sync BouncyCastle version in Maven build and Ant build
ZOOKEEPER-3273: Sync BouncyCastle version in Maven build and Ant build

Uee 1.60 in Ant, the same version used in Maven

Author: Enrico Olivelli <eolivelli@apache.org>

Reviewers: andor@apache.org

Closes #808 from eolivelli/fix/ZOOKEEPER-3273

maoling/zookeeper,maoling/zookeeper,maoling/zookeeper,arshadmohammad/zookeeper,hanm/zookeeper,arshadmohammad/zookeeper,apache/zookeeper,hanm/zookeeper,arshadmohammad/zookeeper,arshadmohammad/zookeeper,hanm/zookeeper,hanm/zookeeper,hanm/zookeeper,arshadmohammad/zookeeper,apache/zookeeper,arshadmohammad/zookeeper,maoling/zookeeper,apache/zookeeper,hanm/zookeeper,apache/zookeeper,maoling/zookeeper,apache/zookeeper,maoling/zookeeper,maoling/zookeeper,hanm/zookeeper,hanm/zookeeper,arshadmohammad/zookeeper,apache/zookeeper,apache/zookeeper,maoling/zookeeper,apache/zookeeper,arshadmohammad/zookeeper