Update vue-router version
Update vue-router version

vue-router v2.3.0 fix some issues
twcapps/vue-typescript-boilerplate,bbrietzke/webpack,neonblack-at/webpack,pronebel/webpack,Brandon-Stoyles/webpack,neonblack-at/webpack,Toilal/vue-webpack-template,Brandon-Stoyles/webpack,twcapps/vue-typescript-boilerplate,vuejs-templates/webpack,jveljan/webpack,jveljan/webpack,Brandon-Stoyles/webpack,bbrietzke/webpack,vuejs-templates/webpack,Toilal/vue-webpack-template,jveljan/webpack,twcapps/vue-typescript-boilerplate,Toilal/vue-webpack-template,neonblack-at/webpack,pronebel/webpack,vuejs-templates/webpack,bbrietzke/webpack,Toilal/vue-webpack-template,pronebel/webpack,twcapps/vue-typescript-boilerplate