Update CHANGES and bump version

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>

CHANGES

@@ -1,3 +1,9 @@
+3.3.3 2016-10-10
+- Add timeout support for server and forward proxy,
+  only integer is allowed
+- Use wininet API to setup system proxy
+- Upgrade to .NET Framework 4.6.2
+
 3.3.2 2016-10-03
 - Add HTTP forward proxy support
 - Bug fixes and improvements

shadowsocks-csharp/Controller/Service/UpdateChecker.cs

@@ -23,7 +23,7 @@ namespace Shadowsocks.Controller
         public string LatestVersionLocalName;
         public event EventHandler CheckUpdateCompleted;
 
-        public const string Version = "3.3.2";
+        public const string Version = "3.3.3";
 
         private class CheckUpdateTimer : System.Timers.Timer
         {