* BaseCalls.cs: Create 3 test remote objects, one for each kind of access,

	* BaseCalls.cs: Create 3 test remote objects, one for each kind of access,
	  to avoid reuse of client proxies.
	* CallSeq.cs: Now, "domain ID" is set manually.
	* ContextsTest.cs: Added initialization of common domain id. Other small fixes.
	* ReflectionCalls.cs: Get the method for the invoke for the correct type.
	  GetType() for a proxy to interface always return MarshalByRefObject.
	* TcpCalls.cs, HttpCalls.cs: Added delegate tests.
	* DelegateCalls.cs: New test suite for calls using delegates.

svn path=/trunk/mcs/; revision=17507