Replace new package icon

Use a flat icon from the Open Iconic collection to mark new packages.
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>

web/html/images/new.svg

+<svg xmlns="http://www.w3.org/2000/svg" width="8" height="8" viewBox="0 0 8 8">
+  <path style="fill:#66aa22;fill-opacity:1" d="M4 0c-2.21 0-4 1.79-4 4s1.79 4 4 4 4-1.79 4-4-1.79-4-4-4zm0 1l3 3h-2v3h-2v-3h-2l3-3z" />
+</svg>

web/html/index.php

@@ -165,7 +165,6 @@ if (!empty($tokens[1]) && '/' . $tokens[1] == get_pkg_route()) {
 		readfile("./$path");
 		break;
 	case "/css/archnavbar/archlogo.gif":
-	case "/images/new.png":
 		header("Content-Type: image/png");
 		readfile("./$path");
 		break;
@@ -182,6 +181,7 @@ if (!empty($tokens[1]) && '/' . $tokens[1] == get_pkg_route()) {
 	case "/images/pin.min.svg":
 	case "/images/unpin.min.svg":
 	case "/images/rss.svg":
+	case "/images/new.svg":
 		header("Content-Type: image/svg+xml");
 		readfile("./$path");
 		break;

web/template/stats/updates_table.php

@@ -11,7 +11,7 @@
 			</td>
 			<td class="pkg-new">
 				<?php if ($row["ModifiedTS"] - $row["SubmittedTS"] < 3600): ?>
-				<img src="images/new.png" alt="New!" />
+				<img src="images/new.svg" alt="New!" />
 				<?php endif; ?>
 			</td>
 			<td class="pkg-date">