sysctl: fix with printf for the value 2 of vm.overcommit_memory

Signed-off-by: Jay Shin <[email protected]>

implement #212, fix for #208

Merge pull request #206 from ryran/issue203-dmidecode

v0.7.10: fix for dmidecode-parsing issues #203 and #205

implement/fix: #183 #196 #197 #195

remove --scrub-mac & --scrup-ip in favor of --scrub which also does s…

…erial numbers