rewrote vcl checker and upload scripts

the script copies and optimizes ip ranges from zero page configs,
adds carrier name (comment field), and alerts of any mismatched blocks

To run:
  python3 vclopt.py zero.inc.vcl.erb

New upload.py script showing how to change content of zero config

Change-Id: I216afce5c63c2ad73d314b5d217e5566bcd006dd