Performance

[bouk]

Compiling assets with commoner is pretty slow, let's make it faster

[lemonmade]

I'd also like to look at optimizing runtime performance of the compiled bundle — might be a different sprockets plugin, or a babel plugin we can throw in here, but as demonstrated here, putting parens around functions that we can reasonably assume to be invoked can lead to pretty shocking speed improvements. This tool gives a pretty good starting point for what we should look at, if it's not already being done.