[VFS-453] Set socket and connect timeout for HTTP, HTTPS and WebDAV providers.
(contributed by Jiri Syrovy in https://github.com/apache/commons-vfs/pull/6)

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/vfs/trunk@1592436 13f79535-47bb-0310-9956-ffa450edef68