mixin messages
    - for (var i=0; i<errors.length; i++)
        p.error= errors[i]
    - for (var i=0; i<validationErrors.length; i++)
        - for (var propName in validationErrors[i])
            if (validationErrors[i].hasOwnProperty(propName))
                p.error= validationErrors[i][propName].msg
    - for (var i=0; i<successMsgs.length; i++)
        p.success= successMsgs[i]