Add Player Collision API. Thanks to @lazertester and @mrapple for the implementation.

By: md_5 <md_5@live.com.au>

Bukkit-Patches/0016-Player-Collision-API.patch

@@ -0,0 +1,41 @@
+From 36b0eed14a6230d0e47ac5484186ce568ae60490 Mon Sep 17 00:00:00 2001
+From: md_5 <md_5@live.com.au>
+Date: Sat, 3 Aug 2013 19:20:50 +1000
+Subject: [PATCH] Player Collision API
+
+
+diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
+index a809f18..fb21501 100644
+--- a/src/main/java/org/bukkit/entity/Player.java
++++ b/src/main/java/org/bukkit/entity/Player.java
+@@ -725,6 +725,27 @@ public interface Player extends HumanEntity, Conversable, CommandSender, Offline
+         {
+             throw new UnsupportedOperationException( "Not supported yet." );
+         }
++
++        /**
++         * Gets whether the player collides with entities
++         *
++         * @return the player's collision toggle state
++         */
++        public boolean getCollidesWithEntities()
++        {
++            throw new UnsupportedOperationException( "Not supported yet." );
++        }
++
++        /**
++         * Sets whether the player collides with entities
++         *
++         * @param collides whether the player should collide with entities or
++         * not.
++         */
++        public void setCollidesWithEntities(boolean collides)
++        {
++            throw new UnsupportedOperationException( "Not supported yet." );
++        }
+     }
+ 
+     Spigot spigot();
+-- 
+1.8.1.2
+