Add role? to user via delegation to account.  Uses plan rather than role.
Adds test for role? in user and account
Adds pundit gem
troublshooting policies
Pages now only display collab list for the owner
pages _form doesn't display user id for editing
Validates presence of name
Adds more tests for roles
Adds some role specifications to account
Rearanges order of menu bar
Fixes epiceditor remembering last entered value
Edits application js so that epiceditor is only loaded when needed.
Finish setting up pundit