Fix Checkstyle warnings.

Author: php-coder

src/main/config/checkstyle-suppressions.xml

@@ -8,7 +8,7 @@
 	<suppress checks="LineLength" files="AbstractPage.java" lines="44,45" />
 	<suppress checks="LineLength" files="AbstractPageWithForm.java" lines="27,28,33" />
 	<suppress checks="LineLength" files="Form.java" lines="31,32,37" />
-	<suppress checks="LineLength" files="Url.java" lines="74" />
+	<suppress checks="LineLength" files="Url.java" lines="73" />
 	<suppress checks="LineLength" files="ErrorController.java" lines="73" />
 	<suppress checks="LineLength" files="SecurityConfig.java" lines="35,36,40" />
 	<suppress checks="LineLength" files="JdbcSeriesDaoImpl.java" lines="123" />

src/main/java/ru/mystamps/web/config/ApplicationContext.java

@@ -26,6 +26,7 @@
 import ru.mystamps.web.support.spring.security.SecurityConfig;
 import ru.mystamps.web.support.togglz.TogglzConfig;
 
+@SuppressWarnings("checkstyle:hideutilityclassconstructor")
 @Configuration
 @Import({
 	DbConfig.class,

src/main/java/ru/mystamps/web/support/spring/boot/ApplicationBootstrap.java

@@ -26,7 +26,6 @@
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Import;
-import org.springframework.web.context.request.RequestContextListener;
 
 import org.togglz.core.context.StaticFeatureManagerProvider;
 import org.togglz.core.manager.FeatureManager;