SAMZA-1722: Upgrading avro from 1.7.0 to 1.7.1
SAMZA-1722: Upgrading avro from 1.7.0 to 1.7.1

Jira: SAMZA-1722: https://issues.apache.org/jira/browse/SAMZA-1722

Author: sanil15 <sanil.jain15@gmail.com>

Reviewers: Prateek Maheshwari <pmaheshwari@apache.org>

Closes #529 from Sanil15/SAMZA-1722

abhishekshivanna/samza,apache/samza,prateekm/samza,lhaiesp/samza,bharathkk/samza,apache/samza,abhishekshivanna/samza,bharathkk/samza,abhishekshivanna/samza,prateekm/samza,apache/samza,bharathkk/samza,lhaiesp/samza,lhaiesp/samza,prateekm/samza,apache/samza,abhishekshivanna/samza,lhaiesp/samza,lhaiesp/samza,apache/samza,abhishekshivanna/samza,prateekm/samza,prateekm/samza,bharathkk/samza,bharathkk/samza