Merge pull request #8 from pscheit/master

fix https requests on windows, change loggedInEmail to loggedInUser
update to use new urls and add message
Merge pull request #9 from foamdino/master

Update go example to use the new persona urls
Update Express demo app to the new URLs (issue #10)
updating deprecated URLs
adding a python tornado example, r=fmarier
Merge pull request #12 from peterbe/update-browserid-to-persona-urls

updating deprecated URLs
Update URLs in the sinatra example
Explicitly set the secure cURL options for SSL
Move scripts to the bottom of the page to avoid front-end SPOF
Migrate the Express example to the Observer API
Python CGI: loggedInEmail => loggedInUser
Move scripts to the page footer to minimize front-end SPOF
Remove duplicate documentation and licensing info
Added comments to the PHP code

This commit only adds comments but is not complete in that regard.
More comments are needed.

See also bug #13
Merge pull request #16 from itpastorn/master

PHP code fixes
Link to the libraries and plugins page on MDN (fixes #14)
Fix whitespace
Rename the PHP example to persona.php (fixes #15)
Keep npm modules out of git