Localization of shell-script messages

[misaakidis]

As a user, I would like to read CENO.sh script messages in my language, so that I can understand them

ACCEPTANCE CRITERIA

• [ ] CENO.sh updated to read its messages from a list of strings rather than being hard-coded
• [ ] List of English messages exists
• [ ] English message-list uploaded to translation portal
• [ ] Messages translated into all target languages
• [ ] Message-lists created for each language
• [ ] CENO.sh displays messages in the system language on Windows
• [ ] CENO.sh displays messages in the system language on OSX
• [ ] CENO.sh displays messages in the system language on Debian Jessie
• [ ] CENO.sh displays messages in English if translated strings are not available for the system language.