Use the new parent icon in goals tab
Docs: Advertise that LDAP auth backend moved in 2.5.1 release notes
Simplify and fix path summary more

AKA Expand Details link, which was broken since 4980547.
Drop the extra AJAX request for path summary
Move the bulk of path summary code to JS

This avoids the extra database queries to calculate completion
percentages.
Cosmetic
allauth: Enable OpenID and Persona login support by default
allauth: Redesign the social account registration page
allauth: Document new features in the release notes

Also move it up in the roadmap.
allauth: docs: Document allauth/social auth support