Merge pull request #150 from yahonda/install_popper_utils

Install "poppler-utils" to support Active Storage unit test

Author: fxn

bootstrap.sh

@@ -78,6 +78,7 @@ rm $kindlegen_tarball
 
 install 'MuPDF' mupdf mupdf-tools
 install 'FFmpeg' ffmpeg
+install 'Poppler' poppler-utils
 
 # Needed for docs generation.
 update-locale LANG=en_US.UTF-8 LANGUAGE=en_US.UTF-8 LC_ALL=en_US.UTF-8