Added support for Silverlight and Mono (And more)

Also added:
* Join, Choice, and Pipe to SmartThreadPool.
* Local performance counters (for Mono, Silverlight, and WindowsCE)

STPTests/TestStartSuspended.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Threading;
 
 using NUnit.Framework;
@@ -73,11 +72,10 @@ namespace SmartThreadPoolTests
 
 			stp.Start();
 
-			Assert.IsTrue(wig.WaitForIdle(200));
-			Assert.IsTrue(stp.WaitForIdle(0));
+			Assert.IsTrue(wig.WaitForIdle(5000), "WIG is not idle");
+            Assert.IsTrue(stp.WaitForIdle(5000), "STP is not idle");
 		}
 
-
 		[Test]
 		public void TwoWIGsStartSuspended()
 		{