EOSPAC vector performance

[rbberger]

PR Summary

• add check that EOSPAC vector functions are actually faster (profile_eospac)
• prevents slower template to become active in some cases
• adds a warning if slower non scratch version gets called
• Closes EOSPAC performance could be hit significantly when passing the wrong types #257

PR Checklist

• Adds a test for any bugs fixed. Adds tests for new features.
• Format your changes by using the make format command after configuring with cmake.
• Document any new features, update documentation for changes made.
• Make sure the copyright notice on any files you modified is up to date.
• After creating a pull request, note it in the CHANGELOG.md file
• If preparing for a new release, update the version in cmake.

[Yurlungur]

Thanks for adding this fix, @rbberger ! Can you add the PR to the changelog as well? After @jhp-lanl approves, I think this is ready for merge.

[jhp-lanl]

Looks good to me. Once you add a changelog entry I think this is good to go. Thanks @rbberger !

[rbberger]

@Yurlungur @jhp-lanl done.

[Yurlungur]

Waiting for tests to pass, then will merge.