fix(l10n): copy pt_PT to pt in l10n
fix(l10n): copy pt_PT to pt in l10n

Fixes fxa-content-server-l10n/issues/81

mozilla/fxa-content-server,shane-tomlinson/fxa-content-server,vladikoff/fxa-content-server,mozilla/fxa-content-server,swatilk/fxa-content-server,mozilla/fxa-content-server,swatilk/fxa-content-server,shane-tomlinson/fxa-content-server,vladikoff/fxa-content-server,swatilk/fxa-content-server,vladikoff/fxa-content-server,shane-tomlinson/fxa-content-server