Add using System.Collections.Generic, in files that refer to ISet<T>.

Author: oskarb

src/NHibernate.Test/CacheTest/QueryKeyFixture.cs

@@ -1,4 +1,5 @@
 using System.Collections;
+using System.Collections.Generic;
 using Iesi.Collections.Generic;
 using NHibernate.Cache;
 using NHibernate.Engine;

src/NHibernate.Test/Cascade/A.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Iesi.Collections.Generic;
 
 namespace NHibernate.Test.Cascade

src/NHibernate.Test/Cascade/Circle/Node.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Text;
 using Iesi.Collections.Generic;
 

src/NHibernate.Test/Cascade/Circle/Route.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Text;
 using Iesi.Collections.Generic;
 

src/NHibernate.Test/Cascade/Circle/Tour.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Iesi.Collections.Generic;
 
 namespace NHibernate.Test.Cascade.Circle

src/NHibernate.Test/Cascade/Circle/Vehicle.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Iesi.Collections.Generic;
 
 namespace NHibernate.Test.Cascade.Circle

src/NHibernate.Test/Cascade/G.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Iesi.Collections.Generic;
 
 namespace NHibernate.Test.Cascade

src/NHibernate.Test/Cascade/H.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Iesi.Collections.Generic;
 
 namespace NHibernate.Test.Cascade

src/NHibernate.Test/Cascade/JobBatch.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Iesi.Collections.Generic;
 
 namespace NHibernate.Test.Cascade

src/NHibernate.Test/Component/Basic/Employee.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Iesi.Collections.Generic;
 
 namespace NHibernate.Test.Component.Basic