sudo sh -c 'echo "deb http://robosub.eecs.wsu.edu/repo/ /" > /etc/apt/sources.list.d/robosub.list'
wget http://robosub.eecs.wsu.edu/repo/repository_key -O - | sudo apt-key add -
sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu trusty main" > /etc/apt/sources.list.d/ros-latest.list'
wget https://raw.githubusercontent.com/ros/rosdistro/master/ros.key -O - | sudo apt-key add -
sudo sh -c 'echo "deb http://packages.osrfoundation.org/gazebo/ubuntu trusty main" > /etc/apt/sources.list.d/gazebo-latest.list'
wget http://packages.osrfoundation.org/gazebo.key -O - | sudo apt-key add -
sudo aptitude update
sudo aptitude install robosub robosub-simulator