Issue #573: use defined version of ant by grape as workaround in arch ppc64le
Issue #573: use defined version of ant by grape as workaround in arch ppc64le

rnveach/contribution,checkstyle/contribution,checkstyle/contribution,checkstyle/contribution,checkstyle/contribution,checkstyle/contribution,rnveach/contribution,rnveach/contribution,checkstyle/contribution,rnveach/contribution,rnveach/contribution,rnveach/contribution,rnveach/contribution,checkstyle/contribution