CRM-15251 - Contact details revealed when certain URLs indexed by search engines

Added No Follow and No Index to:
Petition Confirmation pages
Mailing Optouts & Unsubscribe pages
Mailing Subscription Confirmation pages
Merge pull request #4299 from JohnFF/4.5-metafix

CRM-15251 - Contact details revealed when certain URLs indexed by search engines
regen.sh - Add support for alternate ports (using same configuration as setup.sh)
Merge pull request #4464 from totten/4.5-regen

regen.sh - Add support for alternate ports (using same configuration as setup.sh)
webtest fixes
Merge pull request #4470 from rohankatkar/tests

webtest fixes