Made a first version of import functionality.

* A very crude extraction step that creates a file with URLs.
* A processor that reduces the file to nothing as it imports them.

view/import.tpl

@@ -0,0 +1,14 @@
+<div class="mirror-wrapper">
+  <h2>Mirror a directory</h2>
+  <form method="POST">
+    <label>Extract URL's:</label>
+    <input type="text" name="url" value="http://dir.friendica.com">
+    <input type="hidden" name="page" value="0">
+    <input type="submit" value="Execute">
+  </form>
+  <br>
+  <form method="POST">
+    <label>Batch submit from file: $present</label>
+    <input type="submit" name="batch_submit" value="Run batch">
+  </form>
+</div>