SAML2_LogoutRequest: Add support for encrypted NameID.
SAML2_LogoutRequest: Add support for encrypted NameID.

git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@2502 44740490-163a-0410-bde0-09ae8108e29a

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