bb-Ricardo/check_redfish v1.11.1

1.11.1: fixes HPE iLO firmware issue and adds setup.py

on GitHub

Bugfixes:

• fixes issue with HPE iLO 4 storage firmware for wrongly reporting SSD media lifetime #161
• fixes issue with wrongly reported GPUs #157

Enhancements

• adds setup.py variant, extend readme with example installation #159 (@skupfer)

thanks to @skupfer for the contribution