Issue19995: passing a non-int to %o, %c, %x, or %X now raises an exception
Skip test_urllib2.test_issue16464() is the ssl module is missing
(Merge 3.4) Skip test_urllib2.test_issue16464() is the ssl module is missing
Use the correct VS edition names in PCbuild/readme.txt
Merge with 3.4
#13437: link to the source code for a few more modules
#14332: provide a better explanation of junk in difflib docs

Initial patch by Alba Magallanes.
add Nehal Hussain
merge 3.4