better caching, minimized jquery

conf.json.example

 	},
 	"debug": false,
 	"max_runs": 9999,
-	"cache_max_age": 604800,
+	"cache_max_age": 2628000,
+	"cache_max_age_images": 2628000,
 	"purge_collections_timeout": "2 days",
 	"purge_collections_interval": 1800000
 }

server.js

 	//Viewer
 	"/view": "view/index.node.js",
 	"/view/style.css": "view/style.css",
+	"/view/script.js": "view/script.js",
 
 	//Plain images
 	"/i": "i/index.node.js",
 	var ep = loaded.endpoints[req.url.split("?")[0]];
 
 	//If the file doesn't exist, we 404.
-	if (!ep) {
+	if (ep === undefined) {
 		ep = loaded.endpoints["/404"];
 		ctx.setStatus(404);
 	}

templates/head.html

 <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
 <link rel="stylesheet" href="/{{env#view}}/style.css?{{conf#currentRun}}">
 
-<script src="https://code.jquery.com/jquery-2.1.4.js"></script>
+<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
 <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
 <script src="/global.js?{{conf#currentRun}}"></script>
 <script src="/{{env#view}}/script.js?{{conf#currentRun}}"></script>

web/i/index.node.js

 	if (!id)
 		return ctx.end(ctx.view("404"));
 
+	ctx.res.setHeader(
+		"Cache-Control",
+		"public, max-age="+ctx.conf.cache_max_age_images
+	);
+
 	var readStream = fs.createReadStream(ctx.conf.dir.imgs+"/"+id);
 	readStream.pipe(ctx.res);