Add install steps

README.md

@@ -6,4 +6,9 @@ on your own for now.
 I'm working on this in my "free" time in the SIT ICT lab, so I don't have much 
 time for documentation yet. I still need to do my labs after all. 
 
+```
+go get github.com/serverwentdown/cisco-ios-apply
+apply -help
+```
+
 <!-- vim: set conceallevel=2 et ts=2 sw=2: -->

main.go

@@ -35,19 +35,18 @@ import (
 	"time"
 )
 
-var Usage = func() {
-	fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s [-port PORT] [-writefile] FILE...\n", os.Args[0])
-	flag.PrintDefaults()
-}
-
 func main() {
+	flag.Usage = func() {
+		fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s [-port PORT] [-writefile] FILE...\n", os.Args[0])
+		flag.PrintDefaults()
+	}
 	port := flag.String("port", "/dev/ttyUSB0", "Serial port to write to")
 	writefile := flag.Bool("writefile", false, "Treat PORT as file, and write to file")
 	flag.Parse()
 	confs := flag.Args()
 
 	if len(confs) < 1 {
-		Usage()
+		flag.Usage()
 		return
 	}