Fix for SOLR-4557, fixes for reload testing. Also made a series of changes to make reloading cores more robust

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1455606 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4642: Add create(AttributeFactory) to TokenizerFactory and subclasses with ctors taking AttributeFactory, and remove Tokenizer's and subclasses' ctors taking AttributeSource.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1455670 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4826: fix PostingsHighlighter PassageQueue comparator so we keep the best 2 passages

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1455693 13f79535-47bb-0310-9956-ffa450edef68
logging: this should not be warn anymore - changing to debug

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1455753 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4826: add mime-type and license exclusion for test data file

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1455784 13f79535-47bb-0310-9956-ffa450edef68