* Add new module for Redfish APIs
Communicates with Out-Of-Band Controller through Redfish APIs
Module gathers hardware information and sends back
* Removed unused library imports
* Removed token entry from headers
* Made 'command' optional and defined default value for each 'category'
* Replace 'result' with 'ansible_facts' for returned dict variable
* Removed unused variable definitions and library imports
* Renamed dicts where data is returned.
Should make it easier to sort through returned data that is placed
in one file.
* Defined dicts to specify available categories and commands in each one.
- Allows specifying default command for each category
- Allows specifying all commands for each category
- Removed Inventory category and moved commands to System category
- Renamed dicts where data is returned to allow to dump more than one in a file
* Remove choice[] since it's redundant
* Added flexibility when specifying categories
- If a category is not specified, it sets a default value
- Can handle more than one category
- Will accept value "all" for category which will set to all available
- Renamed category System to Systems to better reflect Redfish API
* Defined default category in a variable
* Made category argument a list
* Added examples
* Made command argument a list
* Replaced 'ansible_facts' with 'redfish_facts' for returned dict variable.
* Added default value for category in documentation
* Moving redfish_facts inside ansible_facts
* Updated how results dicts are constructed, where applicable
* Improved error messages
* Removed unused variables
* Undo commit 66a7dcd789726913bdb7a25e59cc3aa2125db95d due to variable 'e' oversight
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