move license out of readme into standard file

also list it in package.json
compile coffee to js before publishing

closes #336
prepublish gets run during `npm install`, which can screw stuff up
so do it in a Makefile
see issue: https://github.com/isaacs/npm/issues/3059
test with 0.10 too
remove jquery from browser_assets

missed this in d6c112b4dd69f0c4acbf428b67bcf6f355ad410a