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
Merge pull request #18 from ioanpocol/devel

LB-849