Decoupling of userprincipalName and PrimaryEmailAddress
OrganizationUsers updated with image buttons with the ability to go directly
to offering settings
When changing primaryemailaddress, sip address changes accordingly
Mailboxes list view updated with Login (=userprincipalName) with the ability
to go directly to user setting
Lync list view updated with Login (=userprincipalName) with the ability
to go directly to user setting