Updated readme with 'releases' and 'contributor guide'
Updated readme with 'releases' and 'contributor guide'

thinkalike-dev/APAddressBook,datomnurdin/APAddressBook,felix-dumit/APAddressBook,JeanLebrument/APAddressBook,grachyov/APAddressBook,adrum/APAddressBook,JeanLebrument/APAddressBook,Alterplay/APAddressBook,felix-dumit/APAddressBook,adrum/APAddressBook,thinkalike-dev/APAddressBook,datomnurdin/APAddressBook,grachyov/APAddressBook,Alterplay/APAddressBook