Fixes: U4-3405 Umbraco 7 RC admin login - remember password

src/Umbraco.Web.UI.Client/src/common/directives/validation/valtriggerchange.directive.js

@@ -0,0 +1,11 @@
+angular.module('umbraco.directives.validation')
+.directive('valTriggerChange', function($sniffer) {
+	return {
+		link : function(scope, elem, attrs) {
+			elem.bind('click', function(){
+				$(attrs.valTriggerChange).trigger($sniffer.hasEvent('input') ? 'input' : 'change');
+			});
+		},
+		priority : 1	
+	};
+});

src/Umbraco.Web.UI.Client/src/views/common/dialogs/login.html

@@ -16,7 +16,7 @@
                 <input type="password" ng-model="password" name="password" class="input-xlarge" localize="placeholder" placeholder="@placeholders_password"  />
             </div>
 
-            <button type="submit" class="btn"><localize key="general_login">Login</localize></button>
+            <button type="submit" class="btn" val-trigger-change="#login .form input"><localize key="general_login">Login</localize></button>
             
             <div class="control-group" ng-show="loginForm.$invalid">
                 <div class="alert alert-error">{{errorMsg}}</div>