Updated documentation for 2.2.0.RC1 release
Update version literals prior to release 2.2.0.RC1
[maven-release-plugin] prepare release 2.2.0.RC1
[maven-release-plugin] prepare for next development iteration
Updated for 2.2.0.RC1 release
Merge branch 'master' of github.com:SpringSource/spring-batch into BATCH-1613