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/

net/vsftpd/files/vsftpd.conf

@@ -15,3 +15,16 @@ session_support=NO
 #xferlog_enable=YES
 #xferlog_file=/var/log/vsftpd.log
 #xferlog_std_format=YES
+###
+### TLS/SSL options
+### example key generation: openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/config/vsftpd_privkey.pem -out /etc/config/vsftpd_cert.pem -subj /C="DE"/ST="Saxony"/L="Leipzig"/CN="OpenWrt"
+#ssl_enable=YES
+#allow_anon_ssl=NO
+#force_local_data_ssl=NO
+#force_local_logins_ssl=NO
+#ssl_tlsv1=YES
+#ssl_sslv2=NO
+#ssl_sslv3=NO
+#rsa_cert_file=/etc/config/vsftpd_cert.pem
+#rsa_private_key_file=/etc/config/vsftpd_privkey.pem
+