Massive backend updoot: Juke Build, TGUI upgrades, Soft Ping, and too much to list! (#3990)

* Time to become our TGUI God.

* Visually sprucing the copyrights.

These shouldn't be ignored :)

* babababa

* https://github.com/tgstation/tgstation/pull/50422

* dooootdooot

* Holy fuck

Updates the tools folder
Updates our build tooling
Updates TGUI MASSIVELY
I'm going to go scream in a hole now

* ??

* Was it this dum thing?

* orrrr

* It's this isn't it

* Did it manually

* hubah

* TGUI Changelog

* oops

* What if I use the original?

* Lets try this again

* Shit commenting out for now

* asdasd

* Fuck it use the old one and remember to replace later

* Updates yarn.lock

* Lets try something horrid

* Nope it HATES THAT

* fucc

* The great eslinting

* HOLY SHIT

* Final?

* ?

* asd

tgstation/tgstation/pull/59914
tgstation/tgstation/pull/66317

* Improved Asset handling.

* Oops

* Subsystem stuff

* Recompiles the Changelong again.

* Finally Fixed Communicators

* Compiled Changelogs... AGAIN

code/_js/byjax.dm

@@ -0,0 +1,47 @@
+//this function places received data into element with specified id.
+#define js_byjax {"
+
+function replaceContent() {
+	var args = Array.prototype.slice.call(arguments);
+	var id = args\[0\];
+	var content = args\[1\];
+	var callback = null;
+	if(args\[2\]){
+		callback = args\[2\];
+		if(args\[3\]){
+			args = args.slice(3);
+		}
+	}
+	var parent = document.getElementById(id);
+	if(typeof(parent)!=='undefined' && parent!=null){
+		parent.innerHTML = content?content:'';
+	}
+	if(callback && window\[callback\]){
+		window\[callback\].apply(null,args);
+	}
+}
+"}
+
+/*
+sends data to control_id:replaceContent
+
+receiver - mob
+control_id - window id (for windows opened with browse(), it'll be "windowname.browser")
+target_element - HTML element id
+new_content - HTML content
+callback - js function that will be called after the data is sent
+callback_args - arguments for callback function
+
+Be sure to include required js functions in your page, or it'll raise an exception.
+*/
+/proc/send_byjax(receiver, control_id, target_element, new_content=null, callback=null, list/callback_args=null)
+	if(receiver && target_element && control_id) // && winexists(receiver, control_id))
+		var/list/argums = list(target_element, new_content)
+		if(callback)
+			argums += callback
+			if(callback_args)
+				argums += callback_args
+		argums = list2params(argums)
+
+		receiver << output(argums,"[control_id]:replaceContent")
+	return

code/_js/menus.dm

@@ -0,0 +1,37 @@
+#define js_dropdowns {"
+function dropdowns() {
+	var divs = document.getElementsByTagName('div');
+	var headers = new Array();
+	var links = new Array();
+	for(var i=0;i<divs.length;i++){
+		if(divs\[i\].className=='header') {
+			divs\[i\].className='header closed';
+			divs\[i\].innerHTML = divs\[i\].innerHTML+' +';
+			headers.push(divs\[i\]);
+		}
+		if(divs\[i\].className=='links') {
+			divs\[i\].className='links hidden';
+			links.push(divs\[i\]);
+		}
+	}
+	for(var i=0;i<headers.length;i++){
+		if(typeof(links\[i\])!== 'undefined' && links\[i\]!=null) {
+			headers\[i\].onclick = (function(elem) {
+				return function() {
+					if(elem.className.search('visible')>=0) {
+						elem.className = elem.className.replace('visible','hidden');
+						this.className = this.className.replace('open','closed');
+						this.innerHTML = this.innerHTML.replace('-','+');
+					}
+					else {
+						elem.className = elem.className.replace('hidden','visible');
+						this.className = this.className.replace('closed','open');
+						this.innerHTML = this.innerHTML.replace('+','-');
+					}
+				return false;
+				}
+			})(links\[i\]);
+		}
+	}
+}
+"}