Saas 965 configuring cli (#239)
* cli-config output formatting
* constants extracted
* cli config management
* profiles + schema validation + output changes + get command changes + docs
* packages + docs
* fix docs order
* removed constants
* errors refactored
* set null support
* help for properties + null is now displayed
* config validation
* model defaults for objects in schema
* manager config "lazy load"
* advanced formatting + tests
* output formatting config on get command + fallback mode
* version updated
* add current config to fallback mode
