Ignore any local WP Cli config files.

Fixes #30134 props danielbachhuber

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git-svn-id: http://core.svn.wordpress.org/trunk@30050 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: minor CSS fixes. See #30133.
Built from https://develop.svn.wordpress.org/trunk@30051


git-svn-id: http://core.svn.wordpress.org/trunk@30051 1a063a9b-81f0-0310-95a4-ce76da25c4cd