LUCENE-4636: Upgrade ivy to 2.3.0

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1441295 13f79535-47bb-0310-9956-ffa450edef68
Merged /lucene/dev/trunk:r1441217-1441296

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene4547@1441297 13f79535-47bb-0310-9956-ffa450edef68