Alerts System and UI (#2529)

* #272 add bordered panel for effects bar

* #272 avoid mouse overlapping tooltip when near edges,
change tooltip colors to match mockups

* #272 WIP defining status effect states as YML and
sending them as encoded integers

* #272 refactor to use new alert system

* #272 refactor to use new alert system

* #272 fix various bugs with new alert system and update
alerts to have color

* #272 WIP

* #272 rename status effects to alerts

* #272 WIP reworking alert internals to avoid code dup
and eliminate enum

* #272 refactor alerts to use
categories and fix various bugs

* #272 more alert bugfixes

* #272 alert ordering

* #272 callback-based approach for alert clicks

* #272 add debug commands for alerts

* #272 utilize new GridContainer capabilities for sizing of alerts tab

* #272 scale alerts height based on
window size

* #272 fix tooltip flicker

* #272 transparent alert panel

* #272 adjust styles to match injazz mockups more, add cooldown info in tooltip

* #272 adjust styles to match injazz mockups more, add cooldown info in tooltip

* #272 alert prototype tests

* #272 alert manager tests

* #272 alert order tests

* #272 simple unit test for alerts component

* #272 integration test for alerts

* #272 rework alerts to use enums instead
of id / category

* #272 various cleanups for PR

* #272 use byte for more compact alert messages

* #272 rename StatusEffects folder to Alerts,
add missing NetSerializable

Resources/Textures/Interface/Alerts/Pressure/meta.json

@@ -0,0 +1,47 @@
+{
+    "version": 1,
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "license": "CC-BY-SA 3.0",
+    "copyright": "Taken from https://github.com/tgstation/tgstation at 04e43d8c1d5097fdb697addd4395fb849dd341bd",
+    "states": [
+        {
+            "name": "highpressure1",
+            "directions": 1,
+            "delays": [
+                [
+                    1.0
+                ]
+            ]
+        },
+        {
+            "name": "highpressure2",
+            "directions": 1,
+            "delays": [
+                [
+                    1.0
+                ]
+            ]
+        },
+        {
+            "name": "lowpressure1",
+            "directions": 1,
+            "delays": [
+                [
+                    1.0
+                ]
+            ]
+        },
+        {
+            "name": "lowpressure2",
+            "directions": 1,
+            "delays": [
+                [
+                    1.0
+                ]
+            ]
+        }
+    ]
+}