WIP Recipient and RecipientList API
WIP Disable tests
WIP Begin porting Group to use Recipient
WIP Use Recipient in Event
WIP Cripple ContactResolver to make it build against new Event
WIP Cripple changeContactsRecursive to build against new Event
WIP Implement ContactResolver for Recipient
Optimize localUidComparesPhoneNumbers function

Using QLatin1String saves us a lot of time in converting the string as
UTF8, and it's a simple function, so inlining makes sense.
WIP GroupManager contact resolve
FIXUP ContactGroup and ContactGroupModel
FIXUP GroupModel return contactIds