New Norton Toolbar with New N.I.S. 20.1.1.2

As appears in Firefox v14 and v15, with NIS v20.1.1.2:

 

What is the difference between the toolbar items, Vault Closed and Login Assistant?  They both bring up the same login dialog. 

 

How can we turn-off or disable the "f Share" (Facebook) button in the Norton toolbar?