Update CLI based on service changes

Service changes include s3 notifications and the addition of Amazon Lambda .
Enable streaming output for more than s3api
Bumping version to 1.6.2
Merge branch 'release-1.6.2' into develop

* release-1.6.2:
  Bumping version to 1.6.2
  Enable streaming output for more than s3api
  Update CLI based on service changes
Fixing parameter field format to underscore instead of camelcase.
Update changelog