LB-1163: As an editor, I want to filter posts on chained blog source by verification status and assigned user

Added view.
LB-1163: As an editor, I want to filter posts on chained blog source by verification status and assigned user

Clear cId when switching deleted items.
LB-1163: As an editor, I want to filter posts on chained blog source by verification status and assigned user

Filter done.
LB-1163: As an editor, I want to filter posts on chained blog source by verification status and assigned user

changed limit from 2 to 15 items per page.
Merge pull request #487 from nistormihai/citizen

Citizen
LB-1240
:
Search results in collaborator's search are doubled
Merge branch 'citizen' of https://github.com/ioanpocol/Superdesk into citizen