[EX2010] Add user photo in Exchange 2010 environment

http://blogs.technet.com/b/exchange/archive/2010/03/10/3409495.aspx

http://blogs.technet.com/b/exchange/archive/2010/06/01/3410006.aspx

http://blogs.technet.com/b/ilvancri/archive/2009/11/17/upload-picture-in-outlook-2010-using-the-exchange-management-shell-exchange-2010.aspx