TypeResolutionService now additionally keeps track of loaded assemblies on a per-instance basis to support this.
Use Assembly.CodeBase instead of Location for determining the assembly path when possible because Location may refer to a shadow copy.
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@3595 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61