LB-849
:
Hide chained blog, collaborator, SMS and user comments posts

Added support for hide/unhide posta and here are the example URLs:
http://localhost:8080/resources/LiveDesk/Blog/1/Post/13/Hide
http://localhost:8080/resources/LiveDesk/Blog/1/Post/13/Unhide
LB-879 	  Add new functionality to Live Blog posts needed for the Citizen Desk verification workflow - assign post, change status
LB-1147 : Hide user comments

Added isDeleted parameter to the list of unpublished comments:
localhost:8080/resources/LiveDesk/Blog/1/Post/Comment?isDeleted=False

The same url for Publish, Unpublish, Hide and Unhide are used as in the
case of chained blog and other sources:

http://localhost:8080/resources/LiveDesk/Blog/1/Post/18/{Publish | Unpublish | Hide | Unhide}

By above publish URL also the post will dissapear from source after it
is published
LB-879 :

Add new functionality to Live Blog posts needed for the Citizen Desk verification workflow - assign post, change status

Fix the update of post verification
Merge branch 'devel' of https://github.com/ioanpocol/Superdesk into devel