GRUB boot options

1. Disable console blanking
2. Disable boot splash screen
3. Enable kernel console on ttyS2 (IPMI serial over LAN)

We can test console blanking by writing to
/sys/module/kernel/parameters/panic
Check kernel boot options

Conflicts:
	roles/common/tasks/main.yml
	roles/common/tasks/monitoring.yml
Enable getty on IPMI serial over LAN
Merge pull request #663 from blueboxgroup/backport-console-blanking-and-ipmi-console

Backport console blanking and IPMI console