NUTCH-1699 Tika Parser - Image Parse Bug

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1558420 13f79535-47bb-0310-9956-ffa450edef68
add license header to elasticsearch.conf

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1558932 13f79535-47bb-0310-9956-ffa450edef68
NUTCH-1680 CrawlDbReader to dump minRetry value

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1559657 13f79535-47bb-0310-9956-ffa450edef68