Reduce library size

[RubenVerborgh]

The minified file is currently 116KB. I wonder if we could do something about it.

With source-map-explorer, I obtained this diagram. I wonder if there are some components we can drop, such as Validator.js and buffer.

[RubenVerborgh]

Mhm, turns out that both of my suggestions are actually needed by oidc-rp. Might be not much we can do here.

[dan-f]

Fair enough. I'll keep this open, and tag it as "enhancement" :)

[dan-f]

see #26

[elf-pavlik]

I find http://chrisbateman.github.io/webpack-visualizer/ very helpful to see how much comes from which bundled dependency.