Browse stuff

- redirect /browse/userstar/{{user}} to /~{{user}}#starred
- redirect /browse/author/{{user}} to /~{{user}}#packages
- redirect /browse/userstar to /
- redirect /browse/all to /
- link to browse pages from home page. Fixes #245
- link package page depended heading to /browse/depended/{{name}}
I think you mean `/browse/depended/{{name}}`?