Update package.json (#597)
Update package.json (#597)

Bump vue-template-compiler version to 2.2.4
Brandon-Stoyles/webpack,jveljan/webpack,Toilal/vue-webpack-template,Brandon-Stoyles/webpack,bbrietzke/webpack,pronebel/webpack,neonblack-at/webpack,neonblack-at/webpack,jveljan/webpack,Toilal/vue-webpack-template,bbrietzke/webpack,twcapps/vue-typescript-boilerplate,pronebel/webpack,neonblack-at/webpack,Toilal/vue-webpack-template,vuejs-templates/webpack,Toilal/vue-webpack-template,bbrietzke/webpack,Brandon-Stoyles/webpack,jveljan/webpack,twcapps/vue-typescript-boilerplate,twcapps/vue-typescript-boilerplate,vuejs-templates/webpack,vuejs-templates/webpack,pronebel/webpack,twcapps/vue-typescript-boilerplate