adding username to metadata user search
If fullname isn't null, return fullname (id). If it is null, return only id.
whitespace
Merge pull request #784 from Connexions/add-username-to-user-search

adding username to metadata user search
Merge pull request #789 from Connexions/adding-error-message-for-acceptance-ui-if-unauthorized

Adding error message for acceptance ui if unauthorized
slightly cleaner coffeescript idiom
Merge pull request #790 from Connexions/adding-error-message-for-acceptance-ui-if-unauthorized

changes to role acceptance ui, setting editable to true if user has edit...
changing maintainers to publishers in ui, rewording role acceptance message, adding space between roles