Overcommit 0.28.0

A major feature for this release is the added support for running Overcommit on Windows. A big thanks to @jawshooah for all the effort to make this happen.

New Features

• Add NpmInstall post-checkout, post-commit, post-merge, and post-rewrite hooks
• Add PuppetLint pre-commit hook that checks Puppet code with
  puppet-lint
• Add BowerInstall post-checkout, post-commit, post-merge, and post-rewrite hooks
• Add BundleInstall post-checkout, post-commit, post-merge, and post-rewrite hooks
• Add Sqlint pre-commit hook that checks SQL code with
  sqlint
• Add Windows support
• Add Hlint pre-commit hook that checks Haskell files with
  hlint
• Add ExecutePermissions pre-commit hook that checks file mode for
  unnecessary execute permissions

Changes

• Ensure applicable_files hook helper returns files in lexicographic order