Installed Surge, fixed compile errors, moved a bunch of external stuff into folder

Assets/External/Pixelplacement/Surge/Spline/Objects/SplineTangent.cs

@@ -0,0 +1,19 @@
+/// <summary>
+/// SURGE FRAMEWORK
+/// Author: Bob Berkebile
+/// Email: bobb@pixelplacement.com
+/// 
+/// A helper for allowing correct selection in the scene view instead of choosing the prefab root which is normal Unity operation.
+/// 
+/// </summary>
+
+using UnityEngine;
+using System.Collections;
+
+namespace Pixelplacement
+{
+    [SelectionBase]
+    public class SplineTangent : MonoBehaviour
+    {
+    }
+}