Merge pull request documentcloud#104 from serene/master

Add office search path to check vendor folder for use with Heroku and libreoffice buildpack

Author: knowtheory

lib/docsplit/pdf_extractor.rb

@@ -52,13 +52,15 @@ def office_search_paths
           /Applications/OpenOffice.org.app/Contents
         )
       else # probably linux/unix
+        # heroku libreoffice buildpack: https://github.com/rishihahs/heroku-buildpack-libreoffice
         search_paths = %w(
           /usr/lib/libreoffice
           /usr/lib64/libreoffice
           /opt/libreoffice
           /usr/lib/openoffice
           /usr/lib64/openoffice
           /opt/openoffice.org3
+          /app/vendor/libreoffice
         )
       end
       search_paths