Add version constant for 4.11.0

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1619573 13f79535-47bb-0310-9956-ffa450edef68
Move 4.11.0 section to correct location in trunk

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1619582 13f79535-47bb-0310-9956-ffa450edef68
Make 4.11.0 deprecated in trunk

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1619587 13f79535-47bb-0310-9956-ffa450edef68
SOLR-3617: minor issue if the user selects a port that is in use for the cloud example.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1619591 13f79535-47bb-0310-9956-ffa450edef68