www/squid: Add all available official patches up to 14031

It fixes two annoying and long-standing problems:

• header forgery detection (using sslbump) leads to crash
• add chained certificates and signing certificate to peek-then-bumped connections.

PR: 207901
MFH: 2016Q2
Submitted by: Pavel Timofeev <timp87@gmail.com> (maintainer)
Reported by: Christophe Anselme-Moizan <christophe.anselmemoizan@orange.com>