* all credentials moved to globals
* cassandra fix
* centralized certificates, removed unneded entities
* minor fixes, local-multi-namespace example fixes
* removing unneeded sections in the yaml files
* updates to changelog and multiple namespaces examples
* fixing last couple of services, removed not needed secrets, centralized httpclientconfig.json and ssl.properties
* minor improvements
* changelog reformatted
* fixing startupprobe and changelog
Co-authored-by: Gleb Boushev <4c74356b41@outlook.com>