Profile page cleaning and some schema specifics
Version prior to adding old_revision field to revision model
Deleting user_profiles_css.scss and add_user_id_to_lessons.rb files
Minor profile fix
Fixed bugs, including login-dependent page visibility. Added author fields to lesson and revision pages. Edit/Modify buttons still under construction.
Labeled copy and new revision links as under construction
Revisions can be copied but no form appears