MacroFULLCAL-1 : Full Calendar macro should be translated

* Add translation support for the 'en', 'fr' and 'es' lungage
MacroFULLCAL-1 : FullCalendar macro should be translated

 * Format JavaScript code
 * Delete some unused code
MacroFULLCAL-1 : Full Calendar macro should be translated

  * Add fr and es translations documents
Fix metadata of translations documents
Delete amp; from json url
Merge pull request #1 from DjeblounSidali/master

FULLCAL-1 : Full Calendar macro should be translated in the current language