properly record packages installed from subdirectories of a GitHub repo
need to pass records to searchPackages, not names
need to add dependencies to inferred package names, too
Merge pull request #52 from krlmlr/github-subdir-rebase

Properly record packages installed from subdirectories of a GitHub repo
Merge pull request #53 from krlmlr/bugfix-status

bugfix: need to pass records to searchPackages, not names
Merge branch 'master' into feature/packrat-mode