Linux Pre-Release 1.9.1

Linux pre-release build, tested on Ubuntu 18, Arch Linux and CentOS.

Requirements is Graphical target for Client and Network target for Service.

For default using needs preinstall openvpn;

For using shadowsock needs preinstall shadowsocks-libev and accessible ss-local command;

For using cloak, need to place ck-client in /opt/AmneziaVPN/client/bin/.

Fixed:

easyrsa dirs (open file errors)

access rules to easyrsa