Update Changelog for 1.7.4
Update Changelog for 1.7.4

Coburn37/js-beautify,bitwiseman/js-beautify,beautify-web/js-beautify,beautify-web/js-beautify,bitwiseman/js-beautify,beautify-web/js-beautify,bitwiseman/js-beautify,Coburn37/js-beautify,bitwiseman/js-beautify,beautify-web/js-beautify,Coburn37/js-beautify,Coburn37/js-beautify