create mysql table with utf8 support
create mysql table with utf8 support

https://github.com/emoncms/emoncms/issues/589
emoncms/emoncms,thaipowertech/emoncms,thaipowertech/emoncms,inverse/emoncms,inverse/emoncms,chaveiro/emoncms,chaveiro/emoncms,emoncms/emoncms,inverse/emoncms,chaveiro/emoncms,emoncms/emoncms,emoncms/emoncms,thaipowertech/emoncms,thaipowertech/emoncms,chaveiro/emoncms,inverse/emoncms,emoncms/emoncms