LUCENE-5263: fix cases where transient IOExc (e.g. due to disk full, file descriptor exhaustion) in IndexWriter could lead to silently losing deletions

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1530414 13f79535-47bb-0310-9956-ffa450edef68
Remove unneeded link in spatial package.html

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1530435 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-3069: add CHANGES, move new postingsformats to oal.codecs

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1530520 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5319: Remove unused and incorrect router name from Collection ZK nodes

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1530521 13f79535-47bb-0310-9956-ffa450edef68
update broken links for maven mirror

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1530537 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5321: Remove unnecessary code in Overseer.updateState method which tries to use router name from message where none is ever sent

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1530555 13f79535-47bb-0310-9956-ffa450edef68