syntastic 3.1.0

Core changes

• Added simple debug message system :let g:syntastic_debug=1 to activate (@scrooloose)
• Added :SyntasticInfo command (@scrooloose)
• Refactor notifier mechanisms into notifier classes (@lcd047)
• Syntastic no longer calls :quit (@kovidgoyal)
• New option g:syntastic_check_on_wq (@lcd047)
• New option g:syntastic_ignore_files (@lcd047)
• New option g:syntastic_filetype_map (@lcd047)
• New command :SyntasticReset (@lcd047)
• New option g:syntastic_aggregate_errors (@lcd047)
• Many optimisations and speed improvements (@lcd047)
• Many bugs fixed.

Syntax checker changes

• Added govet for google go (@kisielk)
• Rework of w3 (@lcd047)
• Added py3kwarn for Python 3 (@liamcurry)
• Added rubocop checker for ruby (@roktas)
• Added splint checker for C (@lcd047)
• Added llvm checker (@superjoe30)
• Added pep8 checker for Python (@lcd047)
• Added mandoc checker for nroff (@lcd047)
• Added podchecker checker for POD (@lcd047)
• Added oclint checker for C, C++, and Objective-C (@unc0)
• Added atdtool spelling, style, and grammar checker (@lcd047)
• Added checkers for Objective-C++
• Added golint checker for Go (@hirochachacha)
• Added cobc checker for COBOL (@lcd047)
• Split puppetlint into separate checkers puppet and puppetlint (@lcd047)
• Made the haxe checker aware of [Vaxe]1
• Improved maven management for the javac checher (@jvenant)
• Improved working with mix projects for elixir (@thomas-holmes)
• Added hss checker for [HSS]2
• Added pylama checker for Python (@lcd047)
• Added fsc checker for Scala (@kongo2002)
• New options g:syntastic_html_tidy_blocklevel_tags, g:syntastic_html_tidy_inline_tags, and g:syntastic_html_tidy_empty_tags for the tidy checker (@anshul)
• The gentoo-metadata filetype is now an alias to xml; the docs still apply (@lcd047)
• Split ghc-mod into separate checkers ghc-mod and hlint (@zenzike)
• Added verilator checker for Verilog (@Kocha)
• Added asciidoc checker for AsciiDoc (@lcd047)
• Added pep257 checker for Python docstrings (@marc2982)
• Many bugs fixed.