Fix locales compilation and environment warning for development container

Created by: wasabideveloper

locales

root@55d8ea969302:~/source# python3 manage.py makemessages -a CommandError: Can't find msguniq. Make sure you have GNU gettext tools 0.15 or newer installed.

environment warning

/usr/local/lib/python3.4/dist-packages/environ/environ.py:524: UserWarning: not reading .env - it doesn't exist. warnings.warn("not reading %s - it doesn't exist." % env_file) /usr/lib/python3.4/importlib/_bootstrap.py:321: RemovedInDjango19Warning: django.utils.importlib will be removed in Django 1.9. return f(_args, *_kwds)

@njordan-hsr: please check and fix.