#215 Support for HTTP HEAD requests
#215 Fixed Checkstyle error
#215 rultor config fix
#215 HttpRequest support for HEAD method
#215 Fixed send not being called for HEAD
Merge remote branch 'fork/215'
#215 MANIFEST.MF for rultor/heroku
#215 MANIFEST.MF for s3auth-relay
#215 deploy s3auth-relay from rultor