Mention " vs. '  in advanced settings help

Add email configuration to cms/envs/aws.py

Not that I could ever make such a bonehead error!

Check that SSL certificate is passed before redirecting to SSL authentication.

before redirecting to SSL authentication.

Fix external_auth to properly use retfun for @ssl_login_shortcut()

Fix missing _ import.

I also removed conflicting implementation of SSL_AUTH_IMMEDIATE_SIGNUP
and rebased on the current master.

Turn off AUTH_USE_MIT_CERTIFICATES

Fix image mapping in IE

LTI: fix reordering bug in Studio

Fallout from #1792.

This reverts commit 82d7da82.

Fallout from #1792.

Removing duplicated initialization code.

Adding accessibility guidelines to "Building a Course with edX Studio" documentation 

Adds redirects for login pages and the registration page

Accessibility edits

This allows emails to be sent by Studio.

These are the django default settings.

Accessibilty updates

Fix author name.

they go through the SSL login process in branding when that feature
is enabled.

fix: make edit link use static_asset_path in xmodule_modifiers.py