upgraded ember I18n & CLDR libraries
[#65553142] extracted strings from templates and views
removed English stuff that I thought was not strictly necessary
added develop branch
fixed 'zero' plural form by adding a custom pluralizer
no inflection here, so the 'count' suffix was confusing
fixed placeholder translations
fixed the save search functionality broken by translation span element
removed a css rule that was breaking things and hopefully wasn't too important
upgraded rake pipeline to stop the annoying errors in log
replaced lookups on the translations hash by calls to t
fixed issue with downloading generated files
[#65555822] localise annotations
[#63877218] pass checklict visibility params
[#65556010] pass intro param to backend
[#65553094] added locale switch
[#65553094] pass locale to backend and reload dynamic content
[#65553094] dummy translations
[#65553094] fixed the locale switching links text
[#65553094] pass locale to custom downloads