Refactoring pinyin

1. use custom patched pinyin library Pinyin4Net
2. fix memory leak on startup: 360mb -> 160mb when using vs15 debugger

Wox.Infrastructure/Stopwatch.cs

@@ -1,10 +1,13 @@
 using System;
+using System.Collections.Generic;
 using Wox.Infrastructure.Logger;
 
 namespace Wox.Infrastructure
 {
     public static class Stopwatch
     {
+        private static readonly Dictionary<string, long> Count = new Dictionary<string, long>();
+        private static readonly object Locker = new object();
         /// <summary>
         /// This stopwatch will appear only in Debug mode
         /// </summary>
@@ -17,9 +20,6 @@ namespace Wox.Infrastructure
 #endif
         }
 
-        /// <summary>
-        /// This stopwatch will also appear only in Debug mode
-        /// </summary>
         public static long Normal(string name, Action action)
         {
             var stopWatch = new System.Diagnostics.Stopwatch();
@@ -32,5 +32,33 @@ namespace Wox.Infrastructure
             return milliseconds;
         }
 
+        public static void StartCount(string name, Action action)
+        {
+            var stopWatch = new System.Diagnostics.Stopwatch();
+            stopWatch.Start();
+            action();
+            stopWatch.Stop();
+            var milliseconds = stopWatch.ElapsedMilliseconds;
+            lock (Locker)
+            {
+                if (Count.ContainsKey(name))
+                {
+                    Count[name] += milliseconds;
+                }
+                else
+                {
+                    Count[name] = 0;
+                }
+            }
+        }
+
+        public static void EndCount()
+        {
+            foreach (var key in Count.Keys)
+            {
+                string info = $"{key} already cost {Count[key]}ms";
+                Log.Debug(info);
+            }
+        }
     }
 }