Merge pull request Homebrew#2978 from reitermarkus/simplify-dsl

Simplify `assert_only_one_stanza_allowed`.

Merge pull request Homebrew#2954 from ilovezfs/allow-install-mixed-bu…

…ild-dependency-tree

formula_installer: allow version mismatched build deps

Merge pull request Homebrew#2931 from JCount/version-devel-parsing-im…

…provements

version: improve devel spec version parsing

Merge pull request Homebrew#2851 from MikeMcQuaid/missing-formula-no-…

…core

missing_formula: no need to tap homebrew/core.

Merge pull request Homebrew#2769 from MikeMcQuaid/rubocop-no-perl-bac…

…krefs

rubocop: don’t allow Perl regex backrefs.

Merge pull request Homebrew#2599 from peternewman/patch-1

Fix internal links on the manpage

Merge pull request Homebrew#2631 from GauthamGoli/audit_homepage_rubocop

audit: Port audit_homepage method to rubocop and add tests

Merge pull request Homebrew#2571 from danielmartin/revert-2517-fix-se…

…lect-blocking

Revert "Fix `IO#select` blocking."

Merge pull request Homebrew#2446 from mansimarkaur/diagnostic_tests

[WIP] Added test for check_access_lock_dir

Merge pull request Homebrew#2412 from EricFromCanada/master

Xcode: update supported versions & download URLs for 8.3