Additional Checkstyle Fixes

Issue gh-393

samples/boot/src/main/resources/application.properties

@@ -1,2 +1,2 @@
 spring.thymeleaf.cache=false
-spring.template.cache=false
+spring.template.cache=false

samples/boot/src/main/resources/templates/index.html

@@ -8,4 +8,4 @@
 		<p>This page is secured using Spring Boot, Spring Session, and Spring Security.</p>
 	</div>
 </body>
-</html>
+</html>

samples/boot/src/main/resources/templates/layout.html

@@ -82,7 +82,7 @@
 						<a class="brand" th:href="@{/}"><img th:src="@{/resources/img/logo.png}" alt="Spring Security Sample"/></a>
 
 <div class="nav-collapse collapse"
-		 th:with="currentUser=${#httpServletRequest.userPrincipal?.principal}">
+		th:with="currentUser=${#httpServletRequest.userPrincipal?.principal}">
 	<div th:if="${currentUser != null}">
 			<form class="navbar-form pull-right" th:action="@{/logout}" method="post">
 					<input type="submit" value="Log out" />
@@ -119,4 +119,4 @@
 			</div>
 		</div>
 	</body>
-</html>
+</html>