Changes

• catch errors in getCpuUsage() method.
• support multiple urls in AMQP transporter by @urossmolnik
• fix AMQP connection recovery by @urossmolnik
• add transit.disableReconnect option to disable reconnecting logic at broker starting by @Gadi-Manor
• catch os.userInfo errors in health action by @katsanva
• allow specifying 0 as retries #404 by @urossmolnik
• fix GraceFulTimeoutError bug #400
• fix event return handling to avoid localEvent error handling issue in middleware #403
• update fastest-validator to the 0.6.12 version
• update all dependencies