Removed option to set errors or warnings because this can already been done in a ruleset. Also coding standards fixes + changelog.
Changed documentation link

Docs have now been migrated to the wiki
The PSR2 standard no longer throws errors for additional spacing after a type hint
Merge branch 'master' of https://github.com/squizlabs/PHP_CodeSniffer
Sniffs that override this one can now decide if something is a multi-line function calls by writing their own isMultiLineCall() method.
Coding standard fix
fixes #19881 and #19899 - added maxlen to file_get_content for JS and CSS files