update varnish vcl to 4.0
fix nette prefixing dash in html comment
force tracy bar in esi snippets off
simplify debug mode
serve static files directly from nginx
update varnish configuration
remove bloated js only to required pages
replace elasticsearch js with custom post
remove elasticsearch js library
add cache busting static file postfix
add js to production build
add gulp build to deploy
WIP add cache busting hash redirect to nginx