Add ghostscript to list of apt packages to be installed
Add ghostscript to list of apt packages to be installed

- This is for the purpose of testing the scribing import service, which requires pdf to png conversion for imagemagick

Coursemology/coursemology2,cysjonathan/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,cysjonathan/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,cysjonathan/coursemology2