Fix formatting and relative URLs on site index

         <h4>Machines</h4>
         <ul id=machines>
         $for machine in machines:
-            <li><a href=/sites/machines/$machine["name"]>$machine["name"]</a><br>
+            <li><a href=/machines/$machine["name"]>$machine["name"]</a><br>
             <small>$machine["package"] &mdash; $machine["app"]</small><br>
             <small>$machine["ip_address"]</small></li>
         </ul>
-        <form method=post action=/sites/machines>
-        <label><small>Name</small><br>
-        <label class=bounding><input type=text name=name></label></label>
-        <label><small>Package</small><br>
-        <label class=bounding><input type=text name=package></label></label>
-        <label><small>App</small><br>
-        <label class=bounding><input type=text name=app></label></label>
+        <form method=post action=/machines>
+        <div><label><small>Name</small><br>
+        <label class=bounding><input type=text name=name></label></label></div>
+        <div><label><small>Package</small><br>
+        <label class=bounding><input type=text name=package></label></label></div>
+        <div><label><small>App</small><br>
+        <label class=bounding><input type=text name=app></label></label></div>
         <div class=buttons><button>Spawn</button></div>
         </form>
     $else: