Convert Spring Batch to use Gradle (work in progress)
Add .gradle to .gitignore
BATCH-2144 Create Version Properties

* Upgrade to Gradle 1.10
BATCH-2144 Fix failing test
BATCH-2144 Add Spring Batch Integration to Gradle Build
BATCH-2144 Add `spring-batch-samples` to Gradle build
BATCH-2144 Externalize version numbers for dependencies
BATCH-2144 Upgrade to Gradle 1.11

* Remove SpringSource references