Chemistry revamp and bartending features

-Ability to mix drinks to create cocktails with shiny icons
-New Chemistry System which can relay chemistry events to corresponding components
-moved some solution logic from Shared to Server
-fixed some weird stuff with DrinkComponent

Content.Server/GameObjects/Components/Chemistry/TransformableContainerComponent.cs

@@ -0,0 +1,80 @@
+using Content.Server.GameObjects.EntitySystems;
+using Content.Shared.Chemistry;
+using ICSharpCode.SharpZipLib.Zip.Compression;
+using Robust.Server.GameObjects;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.GameObjects.Components;
+using Robust.Shared.IoC;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Utility;
+
+namespace Content.Server.GameObjects.Components.Chemistry
+{
+    [RegisterComponent]
+    public class TransformableContainerComponent : Component, ISolutionChange
+    {
+#pragma warning disable 649
+        [Dependency] private readonly IPrototypeManager _prototypeManager;
+#pragma warning restore 649
+
+        public override string Name => "TransformableContainer";
+
+        private SpriteSpecifier _initialSprite;
+        private string _initialName;
+        private string _initialDescription;
+        private SpriteComponent _sprite;
+
+        private ReagentPrototype _currentReagent;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            _sprite = Owner.GetComponent<SpriteComponent>();
+            _initialSprite = new SpriteSpecifier.Rsi(new ResourcePath(_sprite.BaseRSIPath), "icon");
+            _initialName = Owner.Name;
+            _initialDescription = Owner.Description;
+        }
+
+        public void CancelTransformation()
+        {
+            _currentReagent = null;
+            _sprite.LayerSetSprite(0, _initialSprite);
+            Owner.Name = _initialName;
+            Owner.Description = _initialDescription;
+        }
+
+        void ISolutionChange.SolutionChanged(SolutionChangeEventArgs eventArgs)
+        {
+            var solution = eventArgs.Owner.GetComponent<SolutionComponent>();
+
+            //Transform container into initial state when emptied
+            if (_currentReagent != null && solution.ReagentList.Count == 0)
+            {
+                CancelTransformation();
+            }
+
+            //the biggest reagent in the solution decides the appearance
+            var reagentId = solution.GetMajorReagentId();
+
+            //If biggest reagent didn't changed - don't change anything at all
+            if (_currentReagent != null && _currentReagent.ID == reagentId)
+            {
+                return;
+            }
+
+            //Only reagents with spritePath property can change appearance of transformable containers!
+            if (!string.IsNullOrWhiteSpace(reagentId) &&
+                _prototypeManager.TryIndex(reagentId, out ReagentPrototype proto) &&
+                !string.IsNullOrWhiteSpace(proto.SpriteReplacementPath))
+            {
+                var spriteSpec = new SpriteSpecifier.Rsi(new ResourcePath("Objects/Drinks/" + proto.SpriteReplacementPath),"icon");
+                _sprite.LayerSetSprite(0, spriteSpec);
+                Owner.Name = proto.Name;
+                Owner.Description = proto.Description;
+                _currentReagent = proto;
+            }
+        }
+    }
+}