Actually just follow this guide: http://sysads.co.uk/2014/07/install-final-term-terminal-ubuntu-14-04/
Follow install build guide here: https://github.com/p-e-w/finalterm#installation except GTK+3 is already installed[1].
sudo apt-get install libgee-0.8-dev libmx-dev libunity-dev keybinder-3.0-dev libnotify-dev libclutter-gtk-1.0-dev libclutter-gst-2.0-dev
git clone https://github.com/p-e-w/finalterm.git
cd finalterm/
mkdir build
cd build/
cmake ..
make
sudo make install
I made this quick & dirty guide after I spend a couple hours trying to get finalterm running so I didn't test all the steps from a fresh ubuntu. Also I recommend using synaptic
to install all the above packages. It's easier to manage and see in my opinion.