Added validation rule for controller name

Author: drpayyne

src/com/magento/idea/magento2plugin/actions/generation/dialog/NewControllerDialog.java

@@ -15,7 +15,6 @@
 import com.magento.idea.magento2plugin.actions.generation.dialog.validator.rule.AlphanumericRule;
 import com.magento.idea.magento2plugin.actions.generation.dialog.validator.rule.NotEmptyRule;
 import com.magento.idea.magento2plugin.actions.generation.dialog.validator.rule.PhpClassRule;
-import com.magento.idea.magento2plugin.actions.generation.dialog.validator.rule.PhpNamespaceNameRule;
 import com.magento.idea.magento2plugin.actions.generation.dialog.validator.rule.StartWithNumberOrCapitalLetterRule;
 import com.magento.idea.magento2plugin.actions.generation.generator.ModuleControllerClassGenerator;
 import com.magento.idea.magento2plugin.magento.files.ControllerBackendPhp;
@@ -63,8 +62,8 @@ public class NewControllerDialog extends AbstractDialog {
 
     @FieldValidation(rule = RuleRegistry.NOT_EMPTY,
             message = {NotEmptyRule.MESSAGE, CONTROLLER_NAME})
-    @FieldValidation(rule = RuleRegistry.PHP_NAMESPACE_NAME,
-            message = {PhpNamespaceNameRule.MESSAGE, CONTROLLER_NAME})
+    @FieldValidation(rule = RuleRegistry.ALPHANUMERIC,
+            message = {AlphanumericRule.MESSAGE, CONTROLLER_NAME})
     private JTextField controllerName;
 
     @FieldValidation(rule = RuleRegistry.NOT_EMPTY,