Update the upgrade notes.
Update the upgrade notes.

madmatt/simplesamlphp,BrettMerrick/simplesamlphp,ghalse/simplesamlphp,dnmvisser/simplesamlphp,sitya/simplesamlphp,BrettMerrick/simplesamlphp,grnet/simplesamlphp,simplesamlphp/simplesamlphp,sitya/simplesamlphp,madmatt/simplesamlphp,gtkrug/simplesamlphp,madmatt/simplesamlphp,ghalse/simplesamlphp,jschlyter/simplesamlphp,gtkrug/simplesamlphp,jschlyter/simplesamlphp,shoaibali/simplesamlphp,ghalse/simplesamlphp,simplesamlphp/simplesamlphp,grnet/simplesamlphp,dnmvisser/simplesamlphp,jschlyter/simplesamlphp,sitya/simplesamlphp,grnet/simplesamlphp,BrettMerrick/simplesamlphp,dnmvisser/simplesamlphp,ghalse/simplesamlphp,shoaibali/simplesamlphp,simplesamlphp/simplesamlphp,maytechnet/simplesamlphp,madmatt/simplesamlphp,jschlyter/simplesamlphp,jschlyter/simplesamlphp,simplesamlphp/simplesamlphp,grnet/simplesamlphp,maytechnet/simplesamlphp,gtkrug/simplesamlphp,maytechnet/simplesamlphp,sitya/simplesamlphp,gtkrug/simplesamlphp,maytechnet/simplesamlphp,dnmvisser/simplesamlphp,BrettMerrick/simplesamlphp,shoaibali/simplesamlphp,shoaibali/simplesamlphp