added user_id into model
Merge branch 'master' into (26)Add-creator-facebook-id-into-article

Conflicts:
	webservice/db/schemas.js
	webservice/handlers/article-temp.js
moved getting creatorId on backend part
uncommented validation
Merge pull request #26 from Iuckyman/(26)Add-creator-facebook-id-into-article

added user_id into model