Use `spack pkg changed` and `spack maintainers` to figure out which
packages changed and who their maintainers are in a PR.
Add any maintainers to the PR as reviewers.
- Trying to reduce the number of top-level files in Spack.
- CODE_OF_CONDUCT.md can be referenced from the README.
- CONTRIBUTING.md is only used to display a message on pull requests, and
it still does that when in .github.
1137b18 removed the -s option from spack such that to see a stack
trace you must pass the --stacktrace option. The bug report templates
were not updated accordingly.
This replaces the single github issue-reporting template with templates for the
following types of issues:
* Build issues
* Spack command errors
* Feature request
Each template includes suggestions which are generally useful for the type of
issue encountered.
