NH3571 - Unit test and fix
NH3571 - Removed invalid CopyToOutputDirectory value
Merge branch 'NH3571' of github.com:gliljas/nhibernate-core into gliljas-NH3571
VisitorUtil: Use the QuerySourceReferenceExpression.ExpressionType constant.
NHSpecificTest/NH3571/*: Various minor cleanups.
Merge branch 'gliljas-NH3571'