Update automapping convention for record table name (prefix table name with module name)

Also remove nhibernate reference from a few modules, as it is not needed anymore.

--HG--
extra : convert_revision : svn%3A5ff7c347-ad56-4c35-b696-ccb81de16e03/trunk%4046128

src/Orchard.Tests/Environment/DefaultOrchardHostTests.cs

@@ -89,8 +89,8 @@ namespace Orchard.Tests.Environment {
                              };
             }
 
-            public IEnumerable<Type> GetRecordTypes() {
-                return Enumerable.Empty<Type>();
+            public IEnumerable<RecordDescriptor> GetRecordDescriptors() {
+                return Enumerable.Empty<RecordDescriptor>();
             }
         }