Update UI to allow for different scaling modes

This commit updates the UI to allow for different
scaling modes.  The "resize" option was changed to
be a dropdown with the following options: "None" (nothing),
"Remote Resizing" (SetDesktopSize).

include/ui.js

@@ -46,7 +46,7 @@ var UI;
         },
 
         onresize: function (callback) {
-            if (UI.getSetting('resize')) {
+            if (UI.getSetting('resize') === 'remote') {
                 var innerW = window.innerWidth;
                 var innerH = window.innerHeight;
                 var controlbarH = $D('noVNC-control-bar').offsetHeight;
@@ -104,7 +104,7 @@ var UI;
             UI.initSetting('encrypt', (window.location.protocol === "https:"));
             UI.initSetting('true_color', true);
             UI.initSetting('cursor', !UI.isTouchDevice);
-            UI.initSetting('resize', false);
+            UI.initSetting('resize', 'off');
             UI.initSetting('shared', true);
             UI.initSetting('view_only', false);
             UI.initSetting('path', 'websockify');

vnc.html

@@ -157,10 +157,16 @@
                     <li><input id="noVNC_true_color" type="checkbox" checked> True Color</li>
                     <li><input id="noVNC_cursor" type="checkbox"> Local Cursor</li>
                     <li><input id="noVNC_clip" type="checkbox"> Clip to Window</li>
-                    <li><input id="noVNC_resize" type="checkbox"> Resize Remote to Window</li>
                     <li><input id="noVNC_shared" type="checkbox"> Shared Mode</li>
                     <li><input id="noVNC_view_only" type="checkbox"> View Only</li>
+                    <hr>
                     <li><input id="noVNC_path" type="input" value="websockify"> Path</li>
+                    <li><label>
+                        <select id="noVNC_resize" name="vncResize">
+                            <option value="off">None</option>
+                            <option value="remote">Remote Resizing</option>
+                        </select> Scaling Mode</label>
+                    </li>
                     <li><input id="noVNC_repeaterID" type="input" value=""> Repeater ID</li>
                     <hr>
                     <!-- Stylesheet selection dropdown -->