Install EWWW-Image optimiser wordpress plugin on Ubuntu 14.04

To install EWWW-Image optimiser wordpress plugin (with pngout) on Ubuntu 14.04 run the follow commands (one by one) in terminal:

sudo apt-get install imagemagick php5-imagick
sudo apt-get install libjpeg-progs
sudo apt-get install graphicsmagick
sudo apt-get install gifsicle

wget http://static.jonof.id.au/dl/kenutils/pngout-20150319-linux.tar.gz
tar -xf pngout-20150319-linux.tar.gz
rm pngout-20150319-linux.tar.gz
sudo cp pngout-20150319-linux/x86_64/pngout /bin/pngout
rm -rf pngout-20150319-linux