vsftpd: Add TLS/SSL example options. Bump PKG_RELEASE and copyright year.

I did not define myself as the maintainer, as the package already had one.
Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

net/vsftpd/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2013 OpenWrt.org
+# Copyright (C) 2006-2014 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=vsftpd
 PKG_VERSION:=3.0.2
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://security.appspot.com/downloads/