prepared the 4.1.7 release
prepared the 4.1.7 release

peterkokot/swiftmailer,papagel/swiftmailer,jamesggordon/swiftmailer,deguif/swiftmailer,kuslahne/swiftmailer,UofSC/php-shared-functions,Rotzbua/swiftmailer,Dubz/swiftmailer,UofSC/php-shared-functions,michabbb-backup/swiftmailer,gencer/swiftmailer,gburyakovsky/swiftmailer,peterkokot/swiftmailer,Pardot/swiftmailer,handautsav/swiftmailer,peterkokot/swiftmailer,denpamusic/swiftmailer,swiftmailer/swiftmailer,zghosts/swiftmailer,Dubz/swiftmailer,robertklein/swiftmailer,c960657/swiftmailer,zghosts/swiftmailer,handautsav/swiftmailer,voku/swiftmailer,UofSC/php-shared-functions,papagel/swiftmailer,Pardot/swiftmailer,gburyakovsky/swiftmailer,swiftmailer/swiftmailer,jamesggordon/swiftmailer,tweakers-dev/swiftmailer,Chhunlong/swiftmailer,Chhunlong/swiftmailer,deguif/swiftmailer,Pardot/swiftmailer,c960657/swiftmailer,kuslahne/swiftmailer,Pardot/swiftmailer,michabbb-backup/swiftmailer,denpamusic/swiftmailer,fvosberg/swiftmailer,robertklein/swiftmailer,fvosberg/swiftmailer,Rotzbua/swiftmailer,tweakers-dev/swiftmailer,gencer/swiftmailer,voku/swiftmailer