Do not assume that a provisioning key of "0" means that we need to reprovision
Do not assume that a provisioning key of "0" means that we need to reprovision

Google actually *gives* us a zero, since it doesn't really care about
provisioning. Just rely on the server to tell us if we need to reprovision,
unless we don't have a provisioning key at all (and even that much is
unnecessary for Google, and some clients don't do it).

simo5/evolution-activesync,simo5/evolution-activesync,simo5/evolution-activesync