v1.5.0

What's Changed

• port over tests from pkgx^1 by @mxcl in #9
• fix .nvmrc versions by @jhheider in #11
• pkgx/setup@v3 by @mxcl in #29
• use --quiet (requires pkgx^2.1)
• make dev integrate savvy to brew installed dev

Full Changelog: v1...v1.5.0