Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=54734
Partial fix
javax.servlet.http.WebConnection needs to extend AutoCloseable
Based on a patch by Nick Williams

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1459288 13f79535-47bb-0310-9956-ffa450edef68
Switch to Base64 encoder/decoder from Commons Codec

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1459289 13f79535-47bb-0310-9956-ffa450edef68
Increase socket timeout in an effort to reduce false failures on buildbot

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1459299 13f79535-47bb-0310-9956-ffa450edef68