Go checker: attempt to speed up builds (@gsalgado).
Set the GOGC env var to off to speed up go builds
Minor language and grammar fixes.
Manual: update the note about zsh.
Javac checker: attempt at fixing errorformat.
Bug fix: missing a couple of executable() checks.
Tslint checker: version 2.4.0 and later no longer support "-f".
ESLint checker: line numbers are now 1-based.
Bug fix: safer handling of automatic includes.
Qmllint checker: cleanup.
New checker for qml: qmllint
New checker for stylus: stylint.
Manual: consistency fixes.
Manual: rephrase description of check_on_wq.
Bug fix: passive mode UI problem; autocmd cleanup.
Calling write in passive mode triggered a refresh, which could result in
Unrelated: allow for nested autocmds in BufReadPost and BufWritePost, so
that checkers can read and write files from their own autocmds.
Move floating point functions to autoload.
Safety net for enable_*_checker variables.
Flog checker: cleanup.
Add ruby flog checker
Sqlint checker now returns 1 when it detects errors.
Bug fix: leftover from JSON cleanup.
There is no such thing as has('iconv/dyn').
Sqlint checker: add highlighting function.
Sqlint checker: cleanup.
Add checker for sqlint (https://github.com/purcell/sqlint)
Cleanup: JSON decoding.
Debug: add indicator for modified shell-related options.
Minor bug fix.
Show chacker output when whining that we can't parse version string.
Manual: add a note about Tim Pope's "flagship".
Manual: fix the notice about rvm.
Gfortran checker: fix errorformat for gfortran 5.
Manual: Fix filetype_map example.
Add a mechanism for handling checkers disabled for security.