Reagents & Solutions (#280)

* Added the ReagentPrototype class.

* Added the new Solution class.

* Added new shared SolutionComponent to the ECS system.

* Added some basic element and chemical reagent prototypes.

* Added a new Beaker item utilizing the SolutionComponent. This is a testing/debug entity, and should be removed or changed soon.

* Added filters for code coverage.

* Nightly work.

* Added the server SolutionComponent class.

* Added a bucket.
Verbs set up for solution interaction.

* Adds water tank entity to the game.

* Added a full water tank entity.
Solutions are properly serialized.
Solution can be poured between two containers.

* Solution class can now be enumerated.
SolutionComponent now calculates the color of the solution.

* Minor Cleanup.

Content.Shared/Chemistry/SolutionCaps.cs

@@ -0,0 +1,21 @@
+using System;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Chemistry
+{
+    /// <summary>
+    ///     These are the defined capabilities of a container of a solution.
+    /// </summary>
+    [Flags]
+    [Serializable, NetSerializable]
+    public enum SolutionCaps
+    {
+        None = 0,
+
+        PourIn = 1,
+        PourOut = 2,
+
+        Injector = 4,
+        Injectable = 8,
+    }
+}