Equipment & inhands. (#110)

* Equipment WiP

* Equipment's starting to work.

* Equipment works properly 100% now.

* Inhands work.

Also more clothes.

Content.Client/GameObjects/Components/Clothing/ClothingComponent.cs

@@ -0,0 +1,27 @@
+using Content.Shared.GameObjects.Components.Inventory;
+using SS14.Client.Graphics;
+
+namespace Content.Client.GameObjects.Components.Clothing
+{
+    public class ClothingComponent : ItemComponent
+    {
+        public override string Name => "Clothing";
+
+        public (RSI rsi, RSI.StateId stateId)? GetEquippedStateInfo(EquipmentSlotDefines.SlotFlags slot)
+        {
+            if (RsiPath == null)
+            {
+                return null;
+            }
+
+            var rsi = GetRSI();
+            var stateId = EquippedPrefix != null ? $"{EquippedPrefix}-equipped-{slot}" : $"equipped-{slot}";
+            if (rsi.TryGetState(stateId, out _))
+            {
+                return (rsi, stateId);
+            }
+
+            return null;
+        }
+    }
+}