Fixed #301. LiveReload works on any port now.

transform/livereloadinject.go

@@ -1,12 +1,17 @@
 package transform
 
-import "bytes"
+import (
+	"bytes"
+
+	"github.com/spf13/viper"
+)
 
 func LiveReloadInject(content []byte) []byte {
 	match := []byte("</body>")
+	port := viper.GetString("port")
 	replace := []byte(`<script>document.write('<script src="http://'
         + (location.host || 'localhost').split(':')[0]
-        + ':1313/livereload.js?mindelay=10"></'
+		+ ':` + port + `/livereload.js?mindelay=10"></'
         + 'script>')</script></body>`)
 	newcontent := bytes.Replace(content, match, replace, -1)