Refactored tags
Updated title comment
Removed deprecated AddressBookSearchDidFinishNotification
Made properties ab_queue, ab_semaphore public
Removed properties keys, contactIdentifiers
Removed functions -displayedContactsCount, -resetSearch, -handleSearchForTerm:
Refactored dataSource loading
Added properties keys, contactIdentifiers
Added functions -displayedContactsCount, resetSearch, handleSearchForTerm
Removed deprecated call to resetSearch
Removed deprecated call to resetSearch
Replaced calls to akAddressBook to self.controller
Removed deprecated call to resetSearch