Countries v1.3

Breaking changes

remove english translations since they are redundant with the name parameter
rename languagesCodes to languageCodes

Build

move generated files to the dist folder
prettify JSON source to ease the contributions
add script to generate other formats (the source is the JSON file)

Additions

add geolocation, population, borders and demonym data
add language codes and translations for multiple countries
add Republic of Kosovo (#27)
add missing population field for some countries (-1 is used if there is no data)

Fixes

fix many type inconsistencies
fix/add translations, mainly french
fix NL translation of Macedonia
fix currency for Colombia and Mexico
fix denonym for Åland Islands
fix null values for latitude/longitude
rename Macao to Macau
convert multiple values to real JSON arrays