- Warn everyone about deprecation of @dirrm and @exec
- Deduplicate metadata loading code
- pkg register now understands context aware messages
- Fix pkg register issues with some version of libarchive:
* hardlinks not being made hardlinks sometime
* issues when PREFIX is a symlink to another directory
- Use portable mechanism to find the number of CPUs which allows pkg repo to be
faster on linux
Changes from pkg 1.8