Re #1311 - multilang: full record translation

• when user is logged in add js variable eu.europeana.vars.languageItem to the full doc page
• cleaned up the fulldoc.js file a bit: added comments, adjusted some spacing
• added autoTranslateItem
• fixed an issue with timer.js not properly testing params.args as an array
• cleaned up the translations-services.js file a bit: some spacing
• added the encodeURIComponent to the translation-services.js; this is same patch i applied to 1914
  as it had encoding issues with some of the text it was sending to the translation service, e.g. &