Merge branch 'working-docker' into 'master'

plugins/i18n_subsites/i18n_subsites.pyc

plugins/i18n_subsites/implementing_language_buttons.rst

plugins/i18n_subsites/localizing_using_jinja2.rst

plugins/i18n_subsites/test_data/content/images/img.png

.../i18n_subsites/test_data/content/pages/hidden-page-cz.rst

.../i18n_subsites/test_data/content/pages/hidden-page-de.rst

.../i18n_subsites/test_data/content/pages/hidden-page-en.rst

...8n_subsites/test_data/content/pages/untranslated-page.rst

...i18n_subsites/test_data/content/translated_article-cz.rst

...i18n_subsites/test_data/content/translated_article-de.rst

...i18n_subsites/test_data/content/translated_article-en.rst

...8n_subsites/test_data/content/untranslated_article-en.rst

plugins/i18n_subsites/test_data/localized_theme/babel.cfg

plugins/i18n_subsites/test_data/localized_theme/messages.pot

.../i18n_subsites/test_data/localized_theme/static/style.css

...8n_subsites/test_data/localized_theme/templates/base.html

...a/localized_theme/translations/de/LC_MESSAGES/messages.mo

...a/localized_theme/translations/de/LC_MESSAGES/messages.po

...8n_subsites/test_data/output/an-untranslated-article.html

...sites/test_data/output/cz/an-untranslated-article-en.html