Added support for the PSR2 multi-line arguments errata

The vote has not closed yet, but it will pass. The errata PR is here: https://github.com/php-fig/fig-standards/pull/178
Merge branch 'master' into report-memory-improvements
Merge branch 'report-memory-improvements' into phpcs-fixer
Squiz CSS IndentationSniff no longer sees comments as blank lines
Merge branch 'master' into report-memory-improvements
Merge branch 'report-memory-improvements' into phpcs-fixer

Conflicts:
	CodeSniffer/Standards/Squiz/Sniffs/CSS/IndentationSniff.php
	CodeSniffer/Standards/Squiz/Tests/CSS/IndentationUnitTest.css