Travis modifications for remove-duplicates.

Author: bamos

.travis-script-3.sh

@@ -2,6 +2,7 @@
 set -x -e # Show commands being executed and exit nonzero upon errors.
 
 ./generate-readme.py
+./python3/delete-duplicates.py --help
 ./python3/github-repo-summary.py bamos/python-scripts
 # Requires customization: ./python3/link-checker.py
 ./python3/phonetic.py github

.travis.yml

@@ -4,6 +4,7 @@ python:
   - "3.4"
 
 install:
+  - apt-get -qq install libfreetype6-dev liblcms2-dev python-qt4 ghostscript libffi-dev libjpeg-turbo-progs cmake imagemagick
   - if [[ $TRAVIS_PYTHON_VERSION == 2* ]]; then pip install -r requirements-2.txt; fi
   - if [[ $TRAVIS_PYTHON_VERSION == 3* ]]; then pip install -r requirements-3.txt; fi
   - pip install pep8