Try custom nameid format

Closes #134 (closed)

nefed.xml

@@ -15727,7 +15727,7 @@ KNGked4df0r1o5CozJ35FjKx1fiYucuvGXU+UZd5Yg6sF6MRhQqud32X3eOFJXS/ndm/jGit7B6A
                 <mdui:Logo height="85" width="141" xml:lang="en">https://www.auditboard.com/img/globals/logos/ab-logo-horizontal-blue-black.svg</mdui:Logo>
             </mdui:UIInfo>
         <SPSSODescriptor protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol">
-            <NameIDFormat>urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress</NameIDFormat>
+            <NameIDFormat>EmailAddress</NameIDFormat>
             <AssertionConsumerService index="1" isDefault="true" Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://nebraska.auditboardapp.com/api/v1/sso/saml/assert"/>
         </SPSSODescriptor>
         <ContactPerson contactType="technical">