IdP: Add more info to requestcache, for backwards-compatibility
IdP: Add more info to requestcache, for backwards-compatibility

Fixes issue 279.

git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@2176 44740490-163a-0410-bde0-09ae8108e29a

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