fix(config): only show config location once
tests(fix): add missing test
feat(logging): adds verbose argument

so the server is less chatty on the console.
Merge branch 'master' into config-location-log

Conflicts:
	lib/core/config_store.js
	lib/core/environment.js
	lib/core/hooks.js
tests(fix): env references
Merge pull request #306 from hoodiehq/config-location-log

fix(config): only show config location once