We need to add the socket before the watcher.
allow dashes in sections names - fixes #546
Add a test to make sure circushttpd is started properly.
Merge pull request #553 from mozilla-services/553_circushttpd_wrong_watcher

reloadconfig fails if circus is managing circushttpd daemon
the next release will be 0.10
allow global environment substitutions in any config section

closes #560
Merge pull request #560 from apmorton/issues/560/socket-env

environment variable for socket port
make sure copy_env is not bypassed - fixes #564
assure the global environment makes it into the config parser environment always

closes #567
Merge pull request #567 from apmorton/issues/567/copy-env

environment substitutions and copy_env