Dependency updates

Spring Security 4.1.0  -> 4.2.1
Commons Logging 1.1.1  -> 1.2
Log4j           1.7.22 -> 2.7
Servlet API     3.0.1  -> 3.1.0
Tiles           3.0.5  -> 3.0.7
JUnit           4.1.11 -> 4.1.12

Issue: SWF-1692

spring-faces/src/test/resources/log4j2-test.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+	<Appenders>
+		<Console name="Console" target="SYSTEM_OUT">
+			<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
+		</Console>
+	</Appenders>
+	<Loggers>
+		<Logger name="org.springframework.binding" level="debug" />
+		<Logger name="org.springframework.webflow" level="debug" />
+		<Logger name="org.springframework.faces" level="debug" />
+		<Root level="error">
+			<AppenderRef ref="Console" />
+		</Root>
+	</Loggers>
+</Configuration>