Google just released the Google Play edition of the Moto G that comes unlocked, in 8GB and 16GB versions, and has stock Android.
You can buy it here:
https://play.google.com/store/devices/details/Moto_G_Google_Play_edition_16GB?id=moto_g_16gb
Moto G Google Play edition replaces near-stock Android with stock Android | Ars Technica
You can buy it here:
https://play.google.com/store/devices/details/Moto_G_Google_Play_edition_16GB?id=moto_g_16gb
Moto G Google Play edition replaces near-stock Android with stock Android | Ars Technica