CSV import for white and black lists.

[mealerz]

Issue summary

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Steps to reproduce

Expected result

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Actual result

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Installation

Version and method

• MailWatch Version: [ stable 1.2.x | RC-x | master | develop ]
• Install type: [ GitHub checkout | Zip/tarball install | Installer (beta) ]
• Updated from an older MailWatch or fresh install: [ Fresh install | Upgrade ] (from version [ version ])

Server configuration

• Operation System: [ Debian | Ubuntu | CentOS | Other ] version [ version ]
• PHP version: [ 5.3 | 5.4 | 5.5 | 5.6 | 7.0 | 7.1 ]
• Database: [ MySQL | MariaDB ] version [ version ]
• Mail Server: [ Postfix | Exim | Sendmail ]
• Used web server: [ Apache | Nginx ] version [ version ]

Client configuration

• Operation System: [ operation system ] version [ version ]
• Browser: [ browser name and version ]

[mealerz]

Fairly self explanatory, would be nice to have a button to import black or white lists into the database.