Install missing dependencies for failing dataqs task

Author: doruk.ozturk

ansible/roles/dataqs/tasks/main.yml

@@ -7,13 +7,15 @@
     - libgdal-dev
     - cdo
     - netcdf-bin
+    - libffi-dev
   sudo: yes
 
 - name: install python dependencies
   pip: virtualenv={{virtualenv_dir}}/{{app_name}} name={{item}}
   with_items:
     - redis
     - flower
+    - urllib3[secure]
 
 - name: install dataqs python package
   pip: virtualenv={{virtualenv_dir}}/{{app_name}} name=git+https://github.com/OpenGeoscience/dataqs.git#egg=dataqs