[monitoring-plugins] Travis bump

[Andreas Baumann]

 Module: monitoring-plugins
 Branch: feature_check_curl
 Commit: 022ccd284132c88cfbd95302f2f96c9ce482a7a4
 Author: Andreas Baumann <mail at andreasbaumann.cc>
   Date: Sat May  6 19:45:04 2017 +0200
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=022ccd2

Travis bump

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