BATCH-2172: Fixed database version check for DB2ZOS
BATCH-2204: Updated StepParserStepFactoryBean to set the buffered flag correctly when building a fault tolerant step
Update version literals prior to release 2.2.6
[maven-release-plugin] prepare release 2.2.6.RELEASE
[maven-release-plugin] prepare for next development iteration
Allow compilation w/ JDK 8 on 2.2

With 2.2 being the current version and JDK 8 released, one should be able to compile
with a 1.8 JDK.

* Upgrade spring from 3.2.0 to 3.2.7 (ASM handling changes etc)
* Preseve ordering of reacheable elements (plucked from ef0823)
* Added the PooledEmbeddedDataSource to address the issue outlined in
  SPR-11372 (plucked from b27823)
Handle TestContext class to interface conversion from Spring 3 to Spring 4

Use reflection to make calls to the provided TestContext in StepScopeTestExecutionListener
Enables usage of Spring 4 w/ Batch 2.2 (in this case)