Merge branch 'UI-Prototypes'

-Merged in better ground check
-Merged in wallrun prototype

Assets/Scripts/PlayerScripts/PlayerInventory.cs

@@ -16,6 +16,14 @@ public class PlayerInventory : MonoBehaviour
         return true;
     }
 
+    public bool AddSpecialItem<T>(T itemCandidate) { // Unless we don't want the four special items to be handled by inventory/inventory manager?
+        if (itemCandidate is Item) {
+            items.Add(itemCandidate as Item);
+        }
+        return true;
+    }
+
+
     public bool RemoveItem(Item item){
         if(items.Remove(item)){
             return true;