Refactoring: new packages console, http, Progress is interface.

console/terminal.go

@@ -0,0 +1,13 @@
+// +build !freebsd
+
+package console
+
+import (
+	"code.google.com/p/go.crypto/ssh/terminal"
+	"syscall"
+)
+
+// RunningOnTerminal checks whether stdout is terminal
+func RunningOnTerminal() bool {
+	return terminal.IsTerminal(syscall.Stdout)
+}