1.7.5

• add quotes surrounding $(brew --cache) in help for cleanup command (@yurikoles)
• Update RuboCop to 0.58.2. (@reitermarkus)
• Add String#delete_prefix backport. (@reitermarkus)
• Use ActiveSupport Object#blank? and #present? (@MikeMcQuaid)
• Bump parallel_tests from 2.22.1 to 2.23.0 in /Library/Homebrew/test (@Homebrew)
• Remove __MACOSX directory after unzipping. (@reitermarkus)
• Cask: constrain quarantine support status (@amyspark)
• Retry all specs with :needs_network. (@reitermarkus)
• Make remaining curl respect HOMEBREW_CURLRC (@lembacon)
• Update vendored gems (@MikeMcQuaid)
• Use Bundler to manage vendor directory (@MikeMcQuaid)
• use 'number_readable' when displaying analytics (@zgracem)
• Upgrade: implement linkage repair (@amyspark)
• Elide default root_url in the bottle block (@sjackman)
• cmd/shellenv: use Bash. (@MikeMcQuaid)
• Try Azure Pipelines (@Homebrew)
• dev-cmd/bottle: fix --keep-old with --root-url (@scpeters)
• Fix extracting .pax archives. (@reitermarkus)
• Increase the unit test coverage of messages.rb (@alecclarke)
• Set HOMEBREW_BOTTLE_DEFAULT_DOMAIN based on operating system (@alebcay)
• Resolve formulae in brew cleanup. (@reitermarkus)
• README: remove DomT4. (@MikeMcQuaid)
• docs/Maintainer-Guidelines: retire lead maintainer position in Febuary. (@MikeMcQuaid)
• Bump parser from 2.5.1.0 to 2.5.1.2 in /Library/Homebrew/test (@Homebrew)
• Bump rspec-expectations from 3.8.0 to 3.8.1 in /Library/Homebrew/test (@Homebrew)
• Bump commonmarker from 0.17.12 to 0.17.13 in /docs (@Homebrew)
• Bump docile from 1.3.0 to 1.3.1 in /Library/Homebrew/test (@Homebrew)
• Bump ruby-progressbar from 1.9.0 to 1.10.0 in /Library/Homebrew/test (@Homebrew)
• Elide prefix "/usr/local" in bottle block (@sjackman)
• Bump octokit from 4.11.0 to 4.12.0 in /docs (@Homebrew)
• Add Homebrew::DEFAULT_PREFIX for Linux (@sjackman)
• Don’t add error when changing checksum to :no_check. (@reitermarkus)