Climbing system (#1750)

* Initial commit

* Climbing uses its own controller now

* Missed a check

* Get rid of hands check

* Cleanup

* Get rid of speciescomponent stuff

* Remove unneeded check, add separate case for moving other players.

* Add DoAfter

* IClientDraggable added to ClimbingComponent

* Added some basic integration tests. Renamed ClimbMode to Climbing.

* oops

* Minor fixes

* ffff

* Table fix

* Revamped system so its more predicted, uses proper  logic for de-climbing. Get hype!!!

* Flag check fix

* Distance check and reset numticksblocked

* get rid

Content.Shared/GameObjects/Components/Movement/SharedClimbableComponent.cs

@@ -0,0 +1,11 @@
+using Robust.Shared.GameObjects;
+
+namespace Content.Shared.GameObjects.Components.Movement
+{
+    public interface IClimbable { };
+
+    public class SharedClimbableComponent : Component, IClimbable
+    {
+        public sealed override string Name => "Climbable";
+    }
+}