#1119 - add back in the log4j dependency as the Log4J MBean needs it as well as the StatisticsService. Creating an adapter for the StatisticsService with a NoOp and a log4j implementation.
Merge branch 'BroadleafCommerce-3.1.x' into develop

Conflicts:
	common/src/main/java/org/broadleafcommerce/common/cache/StatisticsServiceImpl.java
	common/src/main/java/org/broadleafcommerce/common/encryption/PassthroughEncryptionModule.java
	common/src/main/java/org/broadleafcommerce/common/security/LocalRedirectStrategy.java