1.3.1

• sandbox: stop printing message. (@MikeMcQuaid)
• formula_cellar_checks: reinstall broken bottles. (@MikeMcQuaid)
• Bugfix/pkgconfiglibdir (@andrewyatz)
• software_spec: improve no resource version error. (@MikeMcQuaid)
• keg: cleanup aliases correctly. (@MikeMcQuaid)
• Fix Pkg#uninstall not calling MacOS.undeletable? for all files. (@reitermarkus)
• formula: Remove reference to homebrew/x11 (@rwhogg)
• Fix parsing extension from URL. (@reitermarkus)
• Delete :focus. (@reitermarkus)
• travis.yml: only build the master branch. (@MikeMcQuaid)
• audit: Port patches audit code to a rubocop and add tests (@GauthamGoli)
• Detect Tap in CaskLoader. (@reitermarkus)
• audit: add additional php header ignore patterns (@javian)
• Tap.each: return an enumerable when no block given (@mistydemeo)
• Remove brew cask _checkurl. (@reitermarkus)
• formula_cellar_checks: check_non_libraries only for new formulae (@ilovezfs)
• formula_desc_cop: add 'x86' to VALID_LOWERCASE_WORDS (@JCount)
• Put the five executables in a list (@cclauss)
• audit: Port audit_urls strict rules to rubocop, add tests, autocorrect (@GauthamGoli)
• audit: fix bug where brew audit foo runs every style check. (@GauthamGoli)
• audit: Port dependency rules from line_problems to rubocop and add tests (@GauthamGoli)
• docs/brew-tap.md: Reference dunn's Emacs tap (@rwhogg)
• formula: Remove reference to Homebrew/Homebrew (@rwhogg)