Added php code sniffer execution to travis configuration file
Added php code sniffer execution to travis configuration file

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