Upgrading Guacamole 0.9.4 to 0.9.7

This guide was translated and summarized (stolen) from:Ubuntu 14.04.x LTS - Guacamole HTML5 Remotedesktop Gateway installieren mit Apache Reverse Proxy cd /usr/src...

Setting up Guacamole 0.9.4 on Debian Wheezy

Needed a way to access Remote Desktop and other remote servers from behind a firewall. Windows RD Gateway doesn't work behind a nginx server (or I...