syntastic 3.8.0

Core changes

• New option g:syntastic_nested_autocommands (@lcd047)
• New flag g:syntastic_auto_loc_list = 3 (@jasontibbitts)
• Refactor registry code to allow running checkers for "foreign" filetypes (@lcd047)
• Various bugs have been fixed.

Syntax checker changes

• Added basex checker for XQuery (@james-jw)
• Added iverilog checker for Verilog (@Psidium)
• Added stylelint checker for CSS (@pixelastic)
• Added vcom checker for VHDL (@jevogel)
• Added ansible_lint checker for Ansible playbooks (@erikzaadi)
• Added dockerfile_lint checker for Dockerfile (@pixelastic)
• Added slim_lint style checker for Slim (@justCxx)
• Added lintr checker for R (@jimhester)
• Added mixedindentlint indentation checker (@sirbrillig)
• Added yamllint checker for YAML (@adrienverge)
• Added textlint natural language linter for text, Markdown, and HTML (@lcd047)
• Added pyang validator for YANG data models (@jdowner)
• Added rapper checker for RDF Turtle and RDF TriG (@seebi)
• Added ttl checker for RDF Turtle (@selliera)
• Added eslint checker for JavaScript in HTML files (@lcd047)
• Added sass_lint checker for SASS and SCSS (@lcd047)
• Added tern_lint checker for JavaScript (@lcd047)
• Added iasl checker for ASL (@Lekensteyn)
• Added avrgcc checker for AVR C++ sources (@sentinelt)
• Added htmlhint checker for HTML (@lcd047)
• Added proselint checker for text files (@lcd047 and the Proselint team)
• Renamed jade_lint to pug_lint (@acidjazz)
• Renamed pep257 to pydocstyle (@rmk135)
• Renamed pep8 to pycodestyle (@lcd047)
• Dropped support for ghc-mod versions 5.4.0 and later (@lcd047)
• Disabled the racket checker by default, for [security reasons]6
• Moved checker docs from the wiki to the manual (@lcd047)
• Removed the tsc checker for TypeScript (@lcd047)
• Removed the ghc_mod checker for Haskell (@lcd047)
• Various bugs have been fixed.