Add method to get BoundingBox bounds for JSON

Signed-off-by: Maxime Petazzoni <maxime.petazzoni@bulix.org>
Transifex language layout configuration
Transifex translations
There are no country specific strings in the Turkish translation yet

Fresh, clean, patch against the ocitysmap repo for simplifying the
Turkish translation. This patch contains only the language manipulation.

Signed-off-by: Maxime Petazzoni <maxime.petazzoni@bulix.org>
Extracted message keys
Use simple language code for Dutch
Use simple language code for Asturian
Updated message key extraction script
Updated message translation fetching script
Updated message translation fetching script
Translated locale/id/LC_MESSAGES/ocitysmap.po on transifex.com
Translated locale/es/LC_MESSAGES/ocitysmap.po on transifex.com
Translated locale/de/LC_MESSAGES/ocitysmap.po on transifex.com
Translated locale/ast/LC_MESSAGES/ocitysmap.po on transifex.com
Translated locale/pl/LC_MESSAGES/ocitysmap.po on transifex.com
Translated locale/fr/LC_MESSAGES/ocitysmap.po on transifex.com
Translated locale/nn/LC_MESSAGES/ocitysmap.po on transifex.com
Translated locale/nb/LC_MESSAGES/ocitysmap.po on transifex.com
Translated locale/nl/LC_MESSAGES/ocitysmap.po on transifex.com
Translated locale/pt_BR/LC_MESSAGES/ocitysmap.po on transifex.com