Move player data to bottom of frame

ui/arena/index.html

@@ -51,11 +51,11 @@
 
             <div class="tab-pane" id="arena">
                 <p>
-                <div>
-                    <pre id="players"></pre>
-                </div>
                 <div id="bf" class="center">
                     <canvas id="battlefield" width="1000px" height="800px"></canvas>
+                    <div>
+                        <pre id="players"></pre>
+                    </div>
                     Use 'v' to cycle views<br>
                     Use 't' to cycle robot focus<br>
                     Use 'd' to toggle debug display<br>