Guetzli installation on Ubuntu

Guetzli is a JPEG encoder that aims for excellent compression density at high visual quality.

sudo apt-get install libpng-dev libgflags-dev pkg-config cd /home/[your_user] && mkdir guetzli && cd /home/[your_user]/guetzli sudo git clone https://github.com/google/guetzli.git . make ln -s /home/[your_user]/guetzli/bin/Release/guetzli /bin