* Force useMongoProxyEndpoint to always return true if valid endpoint provided. Enables new Mongo proxy in all environments.
* Checking MP endpoint in config context.
* Enabling cassandra proxy in all environments. Requires later cleanup.
* Simplifying and removing endpoint validation since run when config context is generated.
* Enabling one MP API at a time globally.
* Revent to existing CP selection logic.
* Creating list of globally enable CP apis.
* Add list of mongo and cassandra APIs to config and only enable if environment outside existing list of environments.
* Remove environment checks. If API globally enabled, return true.
* Adding config initialization for mongo unit tests.
* Default to empty enable list to minimize possible impact. Config.json overrides can be used for testing.