bb-Ricardo/check_redfish v1.12.0

1.12.0: adds power_control data to inventory

on GitHub

Features:

• adds a new 'power_control' item to the inventory #171
• adds further power control details for Fujitsu server

Bugfixes:

• fixes issue with HPE iLO6 systems and reported false positives during (re)start #170
• fixes regression with HPE server which have more then one chassis #169

Thanks to @nicolamos for the PR #172 and @iamjla for the extensive testing ❤️