Fixed codestyle issues in MailEvent class
Fixed codestyle issues in MailEvent class

nomaanp/ZF2-AcMailer,acelaya/ZF2-AcMailer,acelaya/ZF2-AcMailer,acelaya/ZF-AcMailer,samsonasik/ZF2-AcMailer,samsonasik/ZF2-AcMailer,acelaya/ZF-AcMailer,nomaanp/ZF2-AcMailer