Added static web server and black / whitelist template

- Added static web server
- Added static web server default index
- Added embeded templates to blacklist / whitelist
- Added wip Web Directory Manager

Place the templates at ./www/templates/blacklist.html or whitelist.html to replace the build in embedded template for access control 403 error
-

src/mod/utils/utils.go

@@ -5,6 +5,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"strconv"
 	"strings"
 	"time"
 )
@@ -76,6 +77,22 @@ func PostBool(r *http.Request, key string) (bool, error) {
 	return false, errors.New("invalid boolean given")
 }
 
+// Get POST paramter as int
+func PostInt(r *http.Request, key string) (int, error) {
+	x, err := PostPara(r, key)
+	if err != nil {
+		return 0, err
+	}
+
+	x = strings.TrimSpace(x)
+	rx, err := strconv.Atoi(x)
+	if err != nil {
+		return 0, err
+	}
+
+	return rx, nil
+}
+
 func FileExists(filename string) bool {
 	_, err := os.Stat(filename)
 	if os.IsNotExist(err) {