switched to org.apache.httpcomponents:httpclient:4.5.3
Upgrade to commons.net:commons.net 3.6 (from 3.3) and commons-httpclient 4.5.6 (from 3.1).using HttpConnector where needed.httpConnector can now return an InputStream and not only a string.
updated imports for commons-lang3
codebase used to migrate to java8 the production system