Add the required XML namespace to the error message so that people have more chance of finding what's wrong with their configs.
Add the required XML namespace to the error message so that people have more chance of finding what's wrong with their configs.

SVN: 488784591515bd4cdaa016be4ec9b172dc4e7caf@2636

gliljas/nhibernate-core,nkreipke/nhibernate-core,fredericDelaporte/nhibernate-core,hazzik/nhibernate-core,alobakov/nhibernate-core,RogerKratz/nhibernate-core,livioc/nhibernate-core,hazzik/nhibernate-core,nhibernate/nhibernate-core,nhibernate/nhibernate-core,ManufacturingIntelligence/nhibernate-core,livioc/nhibernate-core,gliljas/nhibernate-core,alobakov/nhibernate-core,nkreipke/nhibernate-core,lnu/nhibernate-core,fredericDelaporte/nhibernate-core,fredericDelaporte/nhibernate-core,RogerKratz/nhibernate-core,nkreipke/nhibernate-core,ngbrown/nhibernate-core,RogerKratz/nhibernate-core,RogerKratz/nhibernate-core,ManufacturingIntelligence/nhibernate-core,ngbrown/nhibernate-core,lnu/nhibernate-core,alobakov/nhibernate-core,ngbrown/nhibernate-core,gliljas/nhibernate-core,ManufacturingIntelligence/nhibernate-core,lnu/nhibernate-core,nhibernate/nhibernate-core,livioc/nhibernate-core,gliljas/nhibernate-core,hazzik/nhibernate-core,nhibernate/nhibernate-core,hazzik/nhibernate-core,fredericDelaporte/nhibernate-core