SAML2_AuthnRequest: Add support for retrieving the request id of the generated request.
SAML2_AuthnRequest: Add support for retrieving the request id of the generated request.


git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@726 44740490-163a-0410-bde0-09ae8108e29a

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