SAML2_XML_md_EndpointType: Add support for arbitrary namespace-prefixed attributes.
SAML2_XML_md_EndpointType: Add support for arbitrary namespace-prefixed attributes.

git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@3058 44740490-163a-0410-bde0-09ae8108e29a

madmatt/simplesamlphp,gtkrug/simplesamlphp,BrettMerrick/simplesamlphp,StudentLifeMarketingAndDesign/simplesamlphp,StudentLifeMarketingAndDesign/simplesamlphp,cwaldbieser/simplesamlphp,shoaibali/simplesamlphp,Kunstmaan/simplesamlphp,BrettMerrick/simplesamlphp,dialogik/simplesamlphp,grnet/simplesamlphp,maytechnet/simplesamlphp,sylvainmed/simplesamlphp,sitya/simplesamlphp,jschlyter/simplesamlphp,jschlyter/simplesamlphp,maytechnet/simplesamlphp,madmatt/simplesamlphp,Kunstmaan/simplesamlphp,dnmvisser/simplesamlphp,grnet/simplesamlphp,jschlyter/simplesamlphp,grnet/simplesamlphp,madmatt/simplesamlphp,girgen/simplesamlphp,StudentLifeMarketingAndDesign/simplesamlphp,cwaldbieser/simplesamlphp,dialogik/simplesamlphp,girgen/simplesamlphp,gtkrug/simplesamlphp,dzuelke/simplesamlphp,BrettMerrick/simplesamlphp,dnmvisser/simplesamlphp,girgen/simplesamlphp,simplesamlphp/simplesamlphp,dzuelke/simplesamlphp,gtkrug/simplesamlphp,dialogik/simplesamlphp,Kunstmaan/simplesamlphp,simplesamlphp/simplesamlphp,dnmvisser/simplesamlphp,dnmvisser/simplesamlphp,dialogik/simplesamlphp,maytechnet/simplesamlphp,madmatt/simplesamlphp,sitya/simplesamlphp,ghalse/simplesamlphp,dzuelke/simplesamlphp,Kunstmaan/simplesamlphp,jschlyter/simplesamlphp,ghalse/simplesamlphp,dzuelke/simplesamlphp,StudentLifeMarketingAndDesign/simplesamlphp,shoaibali/simplesamlphp,simplesamlphp/simplesamlphp,ghalse/simplesamlphp,sitya/simplesamlphp,sylvainmed/simplesamlphp,shoaibali/simplesamlphp,jschlyter/simplesamlphp,simplesamlphp/simplesamlphp,shoaibali/simplesamlphp,grnet/simplesamlphp,BrettMerrick/simplesamlphp,girgen/simplesamlphp,sylvainmed/simplesamlphp,sylvainmed/simplesamlphp,girgen/simplesamlphp,cwaldbieser/simplesamlphp,dialogik/simplesamlphp,maytechnet/simplesamlphp,ghalse/simplesamlphp,cwaldbieser/simplesamlphp,gtkrug/simplesamlphp,sitya/simplesamlphp