mayday:  adding general OS commands

capturing the following content to get a better idea about the
overall health of the system, processes running, and hardware:

 * /etc/os-release
 * hostname
 * date
 * systemd-cgls
 * systemd-cgtop
 * ps fauxwww
 * lsmod
 * lspci
 * lsof -b -M -n -l
Merge pull request #11 from brianredbeard/os-wide-additions

mayday:  adding general OS commands