make /package/foo?json return JSON template context as as JSON object
rename asset directories to more ambiguous ‘styles’ and ‘scripts’;
grab latest hljs themes and convert all to stylus;
import hljs theme into main stylesheet;
set max-width on readme images Fixes #94;
Merge pull request #101 from npm/theme-cleanup

Theme Cleanup
remove superfluous labels and borders from package details box
remove homepage if it’s just a github repo URL;
sanitize github repo URLs (converting git: with https:)
add bugs link in package details
change bug/issue wording
progressively enhance the issues data in the package sidebar using a browser-side call to the GitHub API: https://cloudup.com/crth26CI7h0
- hit a different github API so issues can be diffed from PRs
- don’t include pull requests in issue count
- move browserified things into their own modules
regenrated js bundle