#3 Fix PDF printing

[Jani M]

For PDF creation to work in current environment, The directory and file structure should be as follows:

jyps@jypsjr:/var/www$ ls -l
total 12
-rw-r--r-- 1 www-data www-data 177 Oct 16 10:46 index.html
drwxr-xr-x 4 www-data www-data 4096 Oct 16 14:17 sjr
drwxr-xr-x 3 www-data www-data 4096 Oct 16 12:33 tmp
jyps@jypsjr:/var/www$ tree tmp/
tmp/
└── pdf_files
└── PDF_20131221192441.pdf