HeadJS and JSON

The JSON is marked "external" for good reason. There is no good way to
scan JavaScript for JSON, so this only marks external files/URLs. PLEASE
CHECK MY REGEX! This is my first big attempt.

share/apps.json

@@ -1175,6 +1175,12 @@
 			"cats": [ 12 ],
 			"env": "^Handlebars$"
 		},
+		"HeadJS": {
+			"website": "headjs.com",
+			"cats": [ 12 ],
+			"script": "head.*\\.js",
+			"env": "^head$"
+		},
 		"Hello Bar": {
 			"website": "hellobar.com",
 			"cats": [ 5 ],
@@ -1452,6 +1458,14 @@
 			"script": "jscharts.*\\.js",
 			"env": "^JSChart$"
 		},
+		"JSON (External File)": {
+			"website": "json.org",
+			"cats": [ 27, 34 ],
+			"headers": { "Content-Type": ".*(application\\/JSON|text\\/JSON).*" },
+			"script": ".*\\.json",
+			"html": "<.*src=(\"|').*\\.json(\"|').*>",
+			"url": ".*\\.json"
+		},
 		"JTL Shop": {
 			"website": "www.jtl-software.de/produkte/jtl-shop3",
 			"cats": [ 6 ],
@@ -3327,4 +3341,4 @@
 			"html": "<link[^>]+foundation[^>\"]+css"
 		}
 	}
-}
+}