proper root checking for mite root on windows
remove requirement for config file in current dir.  show mite help on unrecognized command or blank.
Merge branch 'master' of https://github.com/jdc0589/mite-node

Conflicts:
	lib/cli.js
properly detect windows style root path
Merge branch 'master' of https://github.com/jdc0589/mite-node