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

Assets/External/Pixelplacement/Surge/DisplayObject/DisplayObject.cs

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+/// <summary>
+/// SURGE FRAMEWORK
+/// Author: Bob Berkebile
+/// Email: bobb@pixelplacement.com
+///
+/// An elegant solution for allowing stronger code-controlled object visibility that doesn't depend on how an object was last left in the editor.
+///
+/// </summary>
+
+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine.UI;
+
+namespace Pixelplacement
+{
+    [RequireComponent (typeof (Initialization))]
+    public class DisplayObject : MonoBehaviour 
+    {
+        //Private Variables:
+        private bool _activated;
+
+        //Public Properties:
+        /// <summary>
+        /// Wrapper for GameObject's ActiveSelf property for ease of use.
+        /// </summary>
+        public bool ActiveSelf
+        {
+            get
+            {
+                return gameObject.activeSelf;
+            }
+
+            set
+            {
+                SetActive(value);
+            }
+        }
+
+        //Public Methods:
+        /// <summary>
+        /// Registers this DisplayObject - should only be called by Initialization.
+        /// </summary>
+        public void Register ()
+        {
+            if (!_activated) 
+            {
+                _activated = true;	
+                gameObject.SetActive (false);
+            }
+        }
+        
+        /// <summary>
+        /// Wrapper for GameObject's SetActive method for ease of use.
+        /// </summary>
+        public void SetActive (bool value)
+        {
+            _activated = true;	
+            gameObject.SetActive (value);
+        }
+
+        /// <summary>
+        /// Solo this DisplayObject within other DisplayObjects at the same level in the hierarchy.
+        /// </summary>
+        public void Solo ()
+        {
+            Register();
+            
+            if (transform.parent != null)
+            {
+                foreach (Transform item in transform.parent) 
+                {
+                    if (item == transform) continue;
+                    DisplayObject displayObject = item.GetComponent<DisplayObject> ();
+                    if (displayObject != null) displayObject.SetActive (false);
+                }
+                gameObject.SetActive (true);
+            }else{
+                foreach (var item in Resources.FindObjectsOfTypeAll<DisplayObject> ()) 
+                {
+                    if (item.transform.parent == null)
+                    {
+                        if (item == this)
+                        {
+                            item.SetActive (true);
+                        }else{
+                            item.SetActive (false);
+                        }
+                    }
+                }
+            }
+        }
+        
+        /// <summary>
+        /// Hides all DisplayObjects at the same level in the hierarchy as this DisplayObject.
+        /// </summary>
+        public void HideAll ()
+        {
+            if (transform.parent != null)
+            {
+                foreach (Transform item in transform.parent) 
+                {
+                    if (item.GetComponent<DisplayObject> () != null) item.gameObject.SetActive (false);
+                }
+            }else{
+                foreach (var item in Resources.FindObjectsOfTypeAll<DisplayObject> ()) 
+                {
+                    if (item.transform.parent == null) item.gameObject.SetActive (false);
+                }
+            }
+        }
+    }
+}