- Fix apparent issues for caches configuration (socket properties is likely not set yet, and the channel pool size was not using the right property).
- Still not convinced about the usefulness of these caches even if raw benchmarks could show some slight improvements, so keep them disabled in NIO2.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1603376 13f79535-47bb-0310-9956-ffa450edef68