CS-4863: Fix for commit bea663dd71e18dd3b73fffa0511b2270aaa2e23e

Undos removal of sectionId and issueId properties of Article entity.
Merge pull request #505 from m038/CS-4863-FIX

CS-4863: Fix for commit bea663dd71e18dd3b73fffa0511b2270aaa2e23e