Use http or https, depending on the value of `is_secure`.
This is similar to how links in some other email templates work.

Add some optional policies around password resets, such as password reuse, forced password resets, allowed frequency of password resets

This prevents everything from blinking, since the CSS class will be
present when the page is rendering.

Removed inappropriate section tags. Because screen readers announce each section, they should not be used unless they are actually defining meaningful sections.

LMS-1265

fixes template errors

keep tos untranslated

formatting fixes

To following the link in the password reset email

We used to use Django templates and the Sites framework. At some point we
stopped, but this was leftover. The site_name no longer gets set properly.
It's probably a config issue, but not one I want to deal with right before
release, so I'm hardcoding it to link to the prod edx.org site until we
 can sort what's what in the morning.

Cleaned up activation pages. Added "Log In" link to notice when anonymous user tries to enroll in course.

Registering now temporarily logs you in. A message is displayed on the dashboard, reminding you to activate your account. Logging in shows a reminder about activating.