LUCENE-5273: Fix slowdown when running 'ant example': unless called from the 'create-package' target, the 'lucene-jars-to-solr' and 'module-jars-to-solr' targets no longer depend on '-unpack-lucene-tgz', pulling lucene-*.jar from lucene/build/*/ instead.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1531750 13f79535-47bb-0310-9956-ffa450edef68