release-6.0.0_RC16

What's Changed

• script to push completed submissions in survey submission collection by @borkarsaish65 in #164
• modification to the script to validate the ids passed by @borkarsaish65 in #165
• Release 6.0.0 by @praveenKDass in #170

Full Changelog: release-6.0.0_RC15...release-6.0.0_RC16