Q: My wife and I share a ‘family’ iMac that we like to keep signed in under one user account for convenience. We each have an iPhone and an iPad. Since updating OS X to 10.9 Mavericks, I am no longer able to sync my iPhone Contacts to my iMac Contacts through iTunes. I have not used iCloud previously. We’d love to continue to share our iTunes purchases, music, and apps, but wish to keep our e-mail, contacts, and to lesser extent…