Product.hbm: made RowVersion an ordinary property, for some test cases.
NHContext: now removes relationships from the save result, so breeze client will be happy.
saveTests.js: Added error messages
NHContext: fixed problem with FixupRelationships for indentifier component (OrderDetail, key-many-to-one)
Merge branch 'master' of https://github.com/IdeaBlade/Breeze