The objects in this prebuilt directory are coming from
http://archive.apache.org/dist/httpcomponents/httpclient/binary/httpcomponents-client-4.1.1-bin.tar.gz

Archive md5sum: 
61942cba8949849afa185d66c80e79ea  httpcomponents-client-4.1.1-bin.tar.gz

The /src packages come from:
http://archive.apache.org/dist/httpcomponents/
http://archive.apache.org/dist/commons/codec/
http://commons.apache.org/logging/download_logging.cgi