Disable SSLv3 by default for JSSE HTTPS connectors (BIO, NIO, NIO2)
Ensure SSLv2 is disabled (the JRE should do this anyway)

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1632512 13f79535-47bb-0310-9956-ffa450edef68