Issue #17128: Build OS X installer for 3.6 with private copy of OpenSSL.
Also provide a sample Install Certificates command script to install a
set of root certificates from the third-party certifi module.
diff --git a/Mac/BuildScript/resources/Welcome.rtf b/Mac/BuildScript/resources/Welcome.rtf
index dfb75d8..3a9ab04 100644
--- a/Mac/BuildScript/resources/Welcome.rtf
+++ b/Mac/BuildScript/resources/Welcome.rtf
@@ -1,8 +1,9 @@
-{\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160
+{\rtf1\ansi\ansicpg1252\cocoartf1504
 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
 {\colortbl;\red255\green255\blue255;}
+{\*\expandedcolortbl;\csgray\c100000;}
 \paperw11905\paperh16837\margl1440\margr1440\vieww12200\viewh10880\viewkind0
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640
+\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\partightenfactor0
 
 \f0\fs24 \cf0 This package will install 
 \b Python $FULL_VERSION
@@ -16,8 +17,14 @@
 \b IDLE
 \b0 .\
 \
+\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\partightenfactor0
 
-\b IMPORTANT:
+\b \cf0 NEW:
+\b0   There are important changes in this release regarding network security and trust certificates.  Please see the ReadMe for more details.\
+\
+\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\partightenfactor0
+
+\b \cf0 IMPORTANT:
 \b0  
 \b IDLE
 \b0  and other programs using the