title: Angular error: Multiple directives asking for new/isolated scope
body: <p>I have these two directives:</p>
  
  <pre><code>app.directive('autofocus', function ($timeout) {
    return {
      scope: {
        trigger: '=autofocus'
      },
      replace: false,
      link: function (scope, element) {
        scope.$watch('trigger',
          function (value) {
            if (value) {
              $timeout(function () {
                element[0].focus();
              });
            }
          }
        );
      }
    };
  });
  
  app.directive('checkCustomerName', function(Customer) {
    return {
      require: 'ngModel',
      scope: {
        value: '=ngModel'
      },
      link: function(scope, elm, attrs, model) {
        var CUSTOMERNAME_REGEXP = /^([ \u00c0-\u01ffa-zA-Z'\-])+$/;
        var retval;
        model.$parsers.unshift(function(viewValue) {
          if (CUSTOMERNAME_REGEXP.test(viewValue)) {
            var current = attrs.customerId;
            var exists = Customer.findByName(viewValue);
            if (exists &amp;&amp; exists !== current) { // customer name exists already
              model.$setValidity('taken', false);
              model.$setValidity('invalid', true);
            } else { // customer name does not exist
              model.$setValidity('taken', true);
              model.$setValidity('invalid', true);
              retval = viewValue;
            }
          } else { // customer name is not valid
            model.$setValidity('taken', true);
            model.$setValidity('invalid', false);
          }
          return retval;
        });
        elm.bind('blur', function() {
          if (model.$viewValue) { // capitalize all words in value
            model.$viewValue = capitalizeAllWords(model.$viewValue);
            model.$render();
          }
        });
      }
    };
  });
  </code></pre>
  
  <p>They work smootly when used separatedly, but, when used on the same element, I get:</p>
  
  <pre><code>Multiple directives [autofocus, checkCustomerName] asking for new/isolated scope on:
  &lt;input type="text" autofocus="true" check-customer-name&gt;
  </code></pre>
  
  <p>How can I let them working togheter?<br>
  (Sorry, I did not dig into ng-directives logic, yet... :-().</p>