Support for "installed" core packages #68
Global configuration instructions #67
Back-fill core packages for homebrew users #68
Use a nullable column to speed up migration
Upgrade Stackage snapshots
Package pages per snapshot

This allows us to replace the Haddock-generate contents pages with our
snapshot/package pages.
Workaround for non-present base
Docs fallback
Module listing
removeTreeIfExists
Generate Hoogle DB when haddocks are unpacked #47
Copy + modify code from fpcomplete.com for hoogle #47
Tweak hoogle style and behavior #47