fixes for daily build target

misc updates to ref documentation
use signed NNS assembly based on spring.net key
sync vs.net 2003 solution

doc/reference/src/transaction.xml

@@ -917,7 +917,7 @@ mgr.DeleteTwoTestObjects("Jack", "Jill");
 
       <programlisting>&lt;objects xmlns="http://www.springframework.net"
 	        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xmlns:tx="http://www.springframework.net/schema/tx"
+         xmlns:tx="http://www.springframework.net/tx"
          xmlns:db="http://www.springframework.net/database"
          xsi:schemaLocation="http://www.springframework.net http://www.springframework.net/schema/objects/spring-objects.xsd
          http://www.springframework.net/schema/tx http://www.springframework.net/schema/tx/spring-tx-1.1.xsd"