removed TvdbLib.dll using the embedded wattvdb.codeplex.com

NzbDrone.Common/TryParseExtension.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Linq;
+
+namespace NzbDrone.Common
+{
+    public static class TryParseExtension
+    {
+        public static Nullable<int> ParseInt32(this string source)
+        {
+            Int32 result = 0;
+
+            if (Int32.TryParse(source, out result))
+            {
+                return result;
+            }
+
+            return null;
+        }
+    }
+}