Allow multiple configs (xmls, java-files, packages) to be loaded in
ApplicationContextFactory
Added tests to address more situations as well as cleaned up logic a bit
BATCH-2235: Updated ExitStatus#isRunning logic to use correct strings
BATCH-2206: Added option to set collection for MongoItemReader
Update version literals prior to release 2.2.7
[maven-release-plugin] prepare release 2.2.7.RELEASE
[maven-release-plugin] prepare for next development iteration