Update minimum system requirements
Update minimum system requirements

Ubuntu 16.04 LTS does not ship a Python3 package we need for the cli
tool (python3-texttable) so now the minimum requirement is 16.10.

Signed-off-by: Brian Warner <760e7dab2836853c63805033e514668301fa9c47@bdwarner.com>

brianwarner/facade,mkdolan/facade,mkdolan/facade,brianwarner/facade,brianwarner/facade,mkdolan/facade