Added test for issue #326.

See http://code.google.com/p/moq/issues/detail?id=326 for more details.
Added a fix for issue #326.

DynamicProxy cannot replicate
System.Security.Permissions.UIPermissionAttribute, so tell it not to
try.
Added fix for issue #326

Added System.Security.Permissions.UIPermissionAttribute to list of
attributes that we tell Castle not to replicate.
Merge branch 'dev' of https://github.com/stoo101/moq4 into dev
Revert "Added a fix for issue #326."

This reverts commit 7ddf106182d00f1b2033137716da4f844d01f14b.
Merge pull request #51 from stoo101/dev

Added support for mocking WinForms controls #326.

Thanks @stoo101!