zshrc: zsh completion updates for pcp2influxdb, pcp2graphite
zshrc: zsh completion updates for pcp2influxdb, pcp2graphite

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp