Revert "Revert "Garbage collection, asset delivery, icon2html revolution, and…" (#15816)

This reverts commit f6d0f62622.

code/modules/asset_cache/assets/chat.dm

@@ -1,2 +1,6 @@
 /datum/asset/spritesheet/chat
 	name = "chat"
+
+/datum/asset/spritesheet/chat/create_spritesheets()
+	//honk
+	//This function has to be overridden otherwise it will generate runtimes

code/modules/asset_cache/assets/fontawesome.dm

@@ -1,9 +1,8 @@
-/datum/asset/simple/fontawesome
+/datum/asset/simple/namespaced/fontawesome
 	assets = list(
-		"fa-regular-400.eot"  = 'html/font-awesome/webfonts/fa-regular-400.eot',
-		"fa-regular-400.woff" = 'html/font-awesome/webfonts/fa-regular-400.woff',
-		"fa-solid-900.eot"    = 'html/font-awesome/webfonts/fa-solid-900.eot',
-		"fa-solid-900.woff"   = 'html/font-awesome/webfonts/fa-solid-900.woff',
-		"font-awesome.css"    = 'html/font-awesome/css/all.min.css',
-		"v4shim.css"          = 'html/font-awesome/css/v4-shims.min.css'
+		"fa-regular-400.ttf" = 'html/font-awesome/webfonts/fa-regular-400.ttf',
+		"fa-solid-900.ttf" = 'html/font-awesome/webfonts/fa-solid-900.ttf',
+		"fa-v4compatibility.ttf" = 'html/font-awesome/webfonts/fa-v4compatibility.ttf',
+		"v4shim.css" = 'html/font-awesome/css/v4-shims.min.css',
 	)
+	parents = list("font-awesome.css" = 'html/font-awesome/css/all.min.css')

code/modules/asset_cache/assets/jquery.dm

@@ -1,4 +1,5 @@
 /datum/asset/simple/jquery
+	legacy = TRUE
 	assets = list(
-		"jquery.min.js"            = 'code/modules/tooltip/jquery.min.js',
+		"jquery.min.js" = 'html/jquery/jquery.min.js',
 	)

code/modules/asset_cache/assets/tgfont.dm

@@ -1,6 +1,8 @@
-/datum/asset/simple/tgfont
+/datum/asset/simple/namespaced/tgfont
 	assets = list(
 		"tgfont.eot" = file("tgui/packages/tgfont/dist/tgfont.eot"),
 		"tgfont.woff2" = file("tgui/packages/tgfont/dist/tgfont.woff2"),
+	)
+	parents = list(
 		"tgfont.css" = file("tgui/packages/tgfont/dist/tgfont.css"),
 	)