Log instead of fmt when possible, close signals instead of wait for a key, go fmt.
Merge branch 'master' of https://github.com/remeh/protogo

Conflicts:
	src/protogo/example/smtp_server.go
Missing go fmt on smtp_server.go
Merge pull request #2 from remeh/master

 Log instead of fmt when possible, close signals instead of wait for a key, go fmt.