Fixed bug

1. Fixed bug that the id of first author will always be added in edit page if there has two similar author
    * Added user id after its name to distinguish them
2. Fixed bug that all published articles will be list if user view published list page of my article
3. Fixed bug that article count error if user is logged out
4. Fixed bug that submitter form will not display if user delete submitter
5. Fixed bug that error displaying last editor when edit pending article