fixup! Allow optional $PORT for server.
Add gulp watch.
Add gulp default, which watches.
Add npm run watch, which watches via gulp only.
Add npm run nodemon, to watch gulp and server.
Handle bower from gulp.
Yay! It works!
Yay! It works!
Reload browser with browser-sync.
fixup! Reload browser with browser-sync.
Trigger browser-sync after server restart.