typo in timeout exception
added ugly wait period for bgtunnel to finish whatever it needs to do
added hack to tell docker daemon not to worry about registry cert
added HttpRequestLifecycle
doc fix for TCP port pinger default timeout
moved import, added comment
Revert "added hack to tell docker daemon not to worry about registry cert"

This reverts commit 693fcfbfa99250e590e4a06badeaeb6f64c42962.
added hack to tell docker daemon not to worry about registry cert