How to compile and install wkhtmltopdf on Debian

http://blog.giuseppeurso.net/wp-content/uploads/2013/05/pdf-150x150.png
How to compile and install wkhtmltopdf on Debian
(And  consequently wkhtmltoimage).

I found this procedure in a comment at the end of the wkhtmltopdf install guide which didn’t work for me on Debian and although I usually hate creating redundance, i decided to copy it and write it in a...
How to compile and install wkhtmltopdf on Debian