only create static/js/bundle.js if DEBUG is not set.
better error reporting when building bundle.js fails during development.
move gallery to bottom of index page, below form.
autoescape client-side nunjucks, embellish gallery.
added masonry.
gallery now uses a 3-column masonry layout.
smoother infinite scrolling UX.
move avatar pic down and use circle border.
slightly better styling for make gallery.
'submit a url' form is no longer awkwardly inline.
added creation date info to gallery
removed unused 'fs' dependency
show weblit info on makes in gallery.
refactored out a NormalizedMake class.