- Resource#fetch: verify downloads by default. (@MikeMcQuaid)
- build: bump rspec-core from 3.8.0 to 3.8.1 in /Library/Homebrew (@Homebrew)
- build: bump parallel_tests from 2.29.0 to 2.29.1 in /Library/Homebrew (@Homebrew)
- build: bump rspec-mocks from 3.8.0 to 3.8.1 in /Library/Homebrew (@Homebrew)
- build: bump docile from 1.3.1 to 1.3.2 in /Library/Homebrew (@Homebrew)
- system_config: hide HOMEBREW_BUNDLE_* env vars. (@MikeMcQuaid)
- Add fish shell completions to brew (@lwolfsonkin)