SAK-33442 Added Commons tool description (#4880)
SAK-33442 Added Commons tool description (#4880)

* SAK-33442 Added Commons tool description

* Facebook->Social Networking

* Removed the redundant commons

OpenCollabZA/sakai,OpenCollabZA/sakai,OpenCollabZA/sakai,OpenCollabZA/sakai,OpenCollabZA/sakai,OpenCollabZA/sakai,OpenCollabZA/sakai,OpenCollabZA/sakai