_header and _footer and now stylus partials; no more header-footer plus nav nonsense; removed a bunch of unused styles from these too.
Merge branch 'master' into new-homepage
Use accept-language header to determine which big-number separator to use: commas for English, dots for Italian, spaces for French, etc.
Conflicts:
	facets/company/show-homepage.js
	package.json
start working on the homepage. specifically, stats
Conflicts:
	templates/partials/download-counts.hbs
remove a relic from hljs
primitive new package display on homepage
remove hover effect on npm expansions
Merge pull request #149 from npm/new-homepage

New homepage
fixes signup form email bug (fixes #151)
slightly better error messaging on signup