Revert "Make LinkedIn auth provider request email by default."
update NewPostViewSpec to correctly initialize NewPostView
Merge pull request #4271 from edx/jsa/fix-new-post-view-spec

update NewPostViewSpec to correctly initialize NewPostView
Merge pull request #4266 from edx/revert-4050-linkedin-email

Revert "Make LinkedIn auth provider request email by default."
Adds subtree and has_changes to edit info
Improve handling of direct only xblocks
Start work on tests
Partially working update
Rebase fixes
One working test
More tests
Handle has_changes for direct xblock creation and child changes
More tests
Remove has_changes field in favor of computing when called
Adds tests for subtree edit info