Autofocus and show the second PIN input automatically. Hide submit button. Allow only numbers

js/directives.js

@@ -286,10 +286,20 @@ angular.module('copayApp.directives')
       link: function(_scope, _element) {
         $timeout(function() {
           _element[0].focus();
-        }, 0);
+        });
       }
     };
   })
+  .directive('showFocus', function($timeout) {
+    return function(scope, element, attrs) {
+      scope.$watch(attrs.showFocus, 
+        function (newValue) { 
+          $timeout(function() {
+              newValue && element[0].focus();
+          });
+        },true);
+    };    
+  })
   .directive('match', function() {
     return {
       require: 'ngModel',