Fixed zoom controls not being hidden on mobile

code/boot.js

@@ -136,7 +136,7 @@ window.setupMap = function() {
   window.map = new L.Map('map', {
     center: [0,0],
     zoom: 1,
-    zoomControl: (typeof android !== 'undefined' && android && android.showZoom) ? !android.showZoom() : true,
+    zoomControl: (typeof android !== 'undefined' && android && android.showZoom) ? android.showZoom() : true,
     minZoom: 1
   });
 

mobile/src/com/cradle/iitc_mobile/IITC_JSInterface.java

@@ -190,6 +190,7 @@ public class IITC_JSInterface {
         });
     }
 
+    @JavascriptInterface
     public boolean showZoom() {
         PackageManager pm = mIitc.getPackageManager();
         boolean hasMultitouch = pm.hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN_MULTITOUCH);