* Upgrade Spring framework to 4.0.2.RELEASE
* Upgrade maven compiler plugin to 3.1
* Use LinkedHashMap to preseve ordering in AbstractFlowParser (found when upgrading to JDK 8)
* Match on EnhancerBySpringCGLIB in StepScopeProxyTargetClassOverrideIntegrationTests (SPR-11398)
* Refactored iBatis based readers and writers to not utilize
SqlMapClientTemplate.
* Depricated all iBatis based readers and writers in favor of MyBatis's
native Spring support.
* Updated XStream support to 1.4.4 and Jettison to 1.2 to be in
alignment with Spring 4.
* Added the PooledEmbeddedDataSource to address the issue outlined in
SPR-11372.
