* Add module redfish_config
Communicates with Out-Of-Band Controller through Redfish APIs
Sends a configuration update to the Controller
* Wrapped all instances of result['msg'] inside to_native()
* Added more entries to Description section
* Minor fixes for PEP8 compliance
* Update the root URI to match the DMTF specification
* Display valid Categories or Commands in case invalid value given
* Updated returned values and description
* Add default values to bios and mgr variables
