Add timing bits to measure app startup time
Carve out my-feed JavaScript into feed.js

When vim syntax highlighting is wrong more often that it's right,
perhaps that's a sign that my inline JavaScript is too long.
Social feed: use webkitRequestFileSystem

I'd use the unprefixed version if I could, but Chromium 38 doesn't
have it, and it seems unlikely to be unprefixed now that development
of the corresponding W3C spec has stopped.
use User Timing API to mark performance-related events
Add performance stats to menus
Colorize performance stats, add more detail to DB interaction
Contacts: record performance marks
carve out JavaScript from my-perf-box into a separate file
re-indent
carve out Contacts JS
re-indent
contacts-datagen: split out JS
re-indent
Rename start page of app-widgets demo to index.html

This means the build can be more consistent.
Redo build system a bit
Add simple wrappers for hero and non-hero transitions