IVY doesn't follow redirects. Point at Sonatype's https repo directly.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1605023 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5786: Unflushed/ truncated events file (hung testing subprocess)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1605024 13f79535-47bb-0310-9956-ffa450edef68