Add support for more languages

[tomkralidis]

Issue by jachym
Sunday Jan 03, 2016 at 20:57 GMT
Originally opened as https://github.com/PyWPS/pywps-4/issues/79

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Currently, in PyWPS language "en-US" is hardcoded. For adding support for more languages we need:

• To define configuration of supported languages in configuration file
• Use possibly existing i18n python-based tool around and i18n gettext seems to be it https://docs.python.org/3/library/gettext.html#internationalizing-your-programs-and-modules

Should be relatively easy, guessed time: 40 hours

[cehbrecht]

Support for more languages is added by PR #510. But it is not using gettext:
https://docs.python.org/3/library/gettext.html#internationalizing-your-programs-and-modules

ping @davidcaron