Update README for 0.8.1
Update README for 0.8.1

rasata/MailDev,xavierpriour/MailDev,xavierpriour/MailDev,strategicdata/MailDev,AlexDpy/MailDev,sendwithus/tool-maildev,rasata/MailDev,strategicdata/MailDev,strategicdata/MailDev,AlexDpy/MailDev,sendwithus/tool-maildev