Fixes:

• require --enablerepo with --disable-submgr
• fix failing conversions if gpgcheck=1 not in used custom repos
• add missing python-setuptools dependency on RHEL 6 to a spec file
• fix parsing RHSM output due to its change in RHEL 7.8
• fix stopping the convert2rhel execution when not running as root
• do not traceback when intentionally stopping the conversion
• do not ask for subscription SKU pool IDs when activation key is used

Enhancements:

• always logging debug info to the log file
• unnecessary backup of kernel packages is not being performed
• unregister from RHN Classic if in use
• change a temporary folder path from /tmp/convert2rhel/ to /var/lib/convert2rhel
• add the ability to specify custom RHSM URL
• unsubscribe from RHSM during a rollback
• drop the support for conversions of RHEL 5
• make sure that RHEL kernel has been installed correctly during the conversion
• the convert2rhel.log file is not being overwritten but appended