Added XML validator helper class.
Added XML validator helper class.


git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@214 44740490-163a-0410-bde0-09ae8108e29a

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