wrapper.dist.url=http://dist.springframework.org.s3.amazonaws.com/release/GRAILS/

wrapper.dist.url=https://github.com/grails/grails-core/releases/download/v2.5.2/

Update Grails wrapper distribution URL
Update Grails wrapper distribution URL

* The old S3 bucket doesn't exist anymore - since Grails 3 the
  wrapper is no longer supported
