SAMZA-2147: Improve the documentation of the samza release process. (#974)
SAMZA-2147: Improve the documentation of the samza release process. (#974)

* Improve thedocumentation of the samza release process.
abhishekshivanna/samza,prateekm/samza,lhaiesp/samza,abhishekshivanna/samza,prateekm/samza,apache/samza,lhaiesp/samza,apache/samza,prateekm/samza,apache/samza,prateekm/samza,abhishekshivanna/samza,prateekm/samza,apache/samza,lhaiesp/samza,lhaiesp/samza,abhishekshivanna/samza,abhishekshivanna/samza,apache/samza,lhaiesp/samza