Works, audio is wrong though
add third_party and .gitignore
extract works
Build as packaged app.

Copy data files, build manifest, etc.
All the new code is copied from similar stuff in
github.com/binji/love-nacl
Move source files to src directory
started working on downloading, thinking I'll take a different tack
Unzip game data from cavestoryen.zip
Save settings and profile data to html5fs
Download cavestoryen.zip in JS, write to html5fs
WIP fixing audio.

Plays correct rate now, but pops pretty bad.
Better audio, still clicks some.

I think it is because we drop samples if we can't double them -- fixing
the input buffers instead of the output buffer to store the extra data
may fix this.