patchpack1

-Fix #3401 (Added tun option "Disable IPv6"
-Added new options: route-nopull, route-noexec, verb;
a bit of refactoring

forgot to sync _server.php with _client.php naming style
Default values for verb if it is not set when edit
Update openvpn.inc

Removed unnecessary "else {";
Update vpn_openvpn_client.php

removed comments
Update vpn_openvpn_server.php

removed comments
Update openvpn.inc

Added verbosity check in case when verbosity_level is absent in config.xml
Update openvpn.inc
Update vpn_openvpn_client.php
Update vpn_openvpn_server.php
Merge pull request #1238 from DasTestament/master