Initial Checkin of new Re-Orderable List.

Still ToDo:
1: complete testing scenarios
2: Update Editor script to add new auto-create option

--HG--
branch : develop_5.2

Scripts/ReorderableList.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 281614f4c0e3b7a4d9056bd377134172
+folderAsset: yes
+timeCreated: 1446117980
+licenseType: Pro
+DefaultImporter:
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Scripts/ReorderableList/ReorderableList.cs

@@ -1,8 +1,12 @@
-using System;
+/// Credit Ziboo
-using UnityEngine;
+/// Sourced from - http://forum.unity3d.com/threads/free-reorderable-list.364600/
-using UnityEngine.Events;
-using UnityEngine.UI;
 
+using System;
+using UnityEngine.Events;
+
+namespace UnityEngine.UI.Extensions
+{
+    [AddComponentMenu("UI/Extensions/Re-orderable list")]
     public class ReorderableList : MonoBehaviour
     {
         public LayoutGroup ContentLayout;
@@ -72,3 +76,4 @@ public class ReorderableList : MonoBehaviour
 
         #endregion
     }
+}

Scripts/ReorderableList/ReorderableListContent.cs

@@ -1,7 +1,11 @@
-using System.Collections;
+/// Credit Ziboo
-using System.Collections.Generic;
+/// Sourced from - http://forum.unity3d.com/threads/free-reorderable-list.364600/
-using UnityEngine;
 
+using System.Collections;
+using System.Collections.Generic;
+
+namespace UnityEngine.UI.Extensions
+{
     public class ReorderableListContent : MonoBehaviour
     {
         private List<Transform> _cachedChildren;
@@ -56,3 +60,4 @@ public class ReorderableListContent : MonoBehaviour
             }
         }
     }
+}

Scripts/ReorderableList/ReorderableListDebug.cs

@@ -1,11 +1,10 @@
-using System;
+/// Credit Ziboo
-using UnityEngine;
+/// Sourced from - http://forum.unity3d.com/threads/free-reorderable-list.364600/
-using System.Collections;
-using UnityEngine.UI;
 
+namespace UnityEngine.UI.Extensions
+{
     public class ReorderableListDebug : MonoBehaviour
     {
-
         public Text DebugLabel;
 
         void Awake()
@@ -27,3 +26,4 @@ public class ReorderableListDebug : MonoBehaviour
             DebugLabel.text += string.Format("To {0} at Index {1} \n", droppedStruct.ToList.name, droppedStruct.ToIndex);
         }
     }
+}

Scripts/ReorderableList/ReorderableListElement.cs

@@ -1,7 +1,11 @@
-using System.Collections.Generic;
+/// Credit Ziboo
-using UnityEngine;
+/// Sourced from - http://forum.unity3d.com/threads/free-reorderable-list.364600/
+
+using System.Collections.Generic;
 using UnityEngine.EventSystems;
-using UnityEngine.UI;
+
+namespace UnityEngine.UI.Extensions
+{
 
     [RequireComponent(typeof(RectTransform))]
     public class ReorderableListElement : MonoBehaviour, IDragHandler, IBeginDragHandler, IEndDragHandler
@@ -207,3 +211,4 @@ public class ReorderableListElement : MonoBehaviour, IDragHandler, IBeginDragHan
             _rect = GetComponent<RectTransform>();
         }
     }
+}