Pneumatic cannons (#4560)

* basics & visuals

* pneumatic cannon works perf

* loc + popups

* gas tank does stuff + queue changes

* updates

* b

* forcefeeding

* inhand

* crafting!

* pie cannon now is a pneumatic cannon

* oopy

* fix for entman + verbs

* pie

* change for tools

* actual

* combat mode + better sounds

* reviews

Resources/Textures/Objects/Weapons/Guns/Cannons/pie_cannon.rsi/meta.json

@@ -0,0 +1,22 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Taken from tgstation at https://github.com/tgstation/tgstation at dc9cef40447ee86c2b9fff9f690385cd63b655fa",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "piecannon"
+    },
+    {
+      "name": "inhand-left",
+      "directions": 4
+    },
+    {
+      "name": "inhand-right",
+      "directions": 4
+    }
+  ]
+}

Resources/Textures/Objects/Weapons/Guns/Cannons/pneumatic_cannon.rsi/meta.json

@@ -0,0 +1 @@
+{"version":1,"name":1,"size":{"x":32,"y":32},"states":[{"name":"pneumaticCannon","directions":1},{"name":"oxygen","directions":1},{"name":"inhand-left","directions":4},{"name":"inhand-right","directions":4}],"license":"CC-BY-SA-3.0","copyright":"tgstation at b2e5316993806b1524ab81237b1735b0591df2a2"}