Improved comments and readability of this test.

And used Spatial4j ShapeCollection to reduce some lines of code.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1568001 13f79535-47bb-0310-9956-ffa450edef68
SOLR-3854: remove redundant solr-core test dependency on httpclient

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1568184 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5444: MemoryIndex did't respect the analyzers offset gap

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1568294 13f79535-47bb-0310-9956-ffa450edef68
Add 4.6.1 section to CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1568316 13f79535-47bb-0310-9956-ffa450edef68
SOLR-1301: Add some readme files.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1568317 13f79535-47bb-0310-9956-ffa450edef68
SOLR-1301: Fix spelling.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1568328 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5721: ConnectionManager can become stuck in likeExpired.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1568337 13f79535-47bb-0310-9956-ffa450edef68