Adds Gas Analyzer (#1591)

* -Started Gas Analyzer
-TemperatureHelpers

* Formatting

* Adds PopupTooltip to NotifyManager

* Revert Tooltip fuckery

* Gas Analyzer gives proper error messages

* Localization

* Added a very wip gas analyzer ui

* UI works, doesn't look good but hey

* Safety checks

* Fancy WIP gas mix bar

* Gas Color

* Gas Amount shows only 2 decimal places

* -Made bar full width
-Moved gas list into a table
-Some gas bar things

* IDropped something

* Description

* -Percentage
-Padding

* ItemStatus

* -Proper Danger Warnings
-Added Warning danger state

* Pressure unit

Co-authored-by: Víctor Aguilera Puerto <6766154+Zumorica@users.noreply.github.com>

Content.Shared/Utility/TemperatureHelpers.cs

@@ -0,0 +1,20 @@
+using Content.Shared.Maths;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Content.Shared.Utility
+{
+    public static class TemperatureHelpers
+    {
+        public static float CelsiusToKelvin(float celsius)
+        {
+            return celsius + PhysicalConstants.ZERO_CELCIUS;
+        }
+
+        public static float KelvinToCelsius(float kelvin)
+        {
+            return kelvin - PhysicalConstants.ZERO_CELCIUS;
+        }
+    }
+}