Merge branch 'stable-3.1' of git.ispconfig.org:ispconfig/ispconfig3 into st...

Till Brehm

2016-05-27 51a7b5e29a1cbf53e9858a6b11aa0be1f8fc59d2

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[Definition]
failregex = (?: pop3-login|imap-login): .*(?:Authentication failure|Aborted login \(auth failed|Aborted login \(tried to use disabled|Disconnected \(auth failed).*rip=(?P<host>\S*),.*
ignoreregex =