Split akonadi-contacts into a core and widget part
More generally rename contact-editor into "akonadi-contacts-widgets" and also move to it
- ContactViewer, GrantleeContactViewer and ContactMetaDataAkonadi
- AbstractEmailAddressSelectionDialog, EmailAddressSelectionDialog and recipientspicker
- TextBrowser and WaitOverlay
- ContactGroupViewer, ContactGroupEditor, ContactGroupEditorDelegate and ContactGroupEditorDialog
- ContactViewer and ContactViewerDialog
- EmailAddressRequester, EmailAddressSelectionDialog and EmailAddressSelectionWidget
- SelectAddressBookDialog