Further separation of client-specific code

Still not done here, just gonna push a commit now so I can pull this from elsewhere.

BarotraumaServer/Source/Items/CharacterInventory.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Linq;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using Microsoft.Xna.Framework.Input;
+using Barotrauma.Networking;
+using Lidgren.Network;
+using System.Collections.Generic;
+using Barotrauma.Items.Components;
+
+namespace Barotrauma
+{
+    partial class CharacterInventory : Inventory
+    {
+        void InitProjSpecific()
+        {
+            //do nothing
+        }
+    }
+}

BarotraumaServer/Source/Items/Components/ItemLabel.cs

@@ -0,0 +1,39 @@
+using Microsoft.Xna.Framework;
+using System.Xml.Linq;
+
+namespace Barotrauma.Items.Components
+{
+    partial class ItemLabel : ItemComponent, IDrawableComponent
+    {
+        [HasDefaultValue("", true), Editable(100)]
+        public string Text
+        {
+            get;
+            set;
+        }
+
+        [Editable, HasDefaultValue("0.0,0.0,0.0,1.0", true)]
+        public string TextColor
+        {
+            get;
+            set;
+        }
+        
+        [Editable, HasDefaultValue(1.0f, true)]
+        public float TextScale
+        {
+            get;
+            set;
+        }
+        
+        public override void Move(Vector2 amount)
+        {
+            //do nothing
+        }
+
+        public ItemLabel(Item item, XElement element)
+            : base(item, element)
+        {
+        }
+    }
+}