temporarily disable gpg on CI test enironment

Author: cmeerw

.travis.yml

@@ -37,7 +37,8 @@ before_install:
   - cd $TRAVIS_BUILD_DIR
 
 install:
-  - pip install gpg psycopg2 pytz whoosh
+  - pip install psycopg2 pytz whoosh
+  # gpg currently disabled
   - if [[ $TRAVIS_PYTHON_VERSION == "2."* ]]; then pip install MySQL-python; fi
   - pip install pytest-cov codecov