Readd dependency injection
Readd dependency injection

rishihahs/heroku-buildpack-libreoffice,dgb/heroku-buildpack-libreoffice,strydercorp/heroku-buildpack-libreoffice,nrempel/heroku-buildpack-libreoffice,Label305-Forks/heroku-buildpack-libreoffice,christophertfoo/heroku-buildpack-libreoffice