added a note on how to override the default temp dir used by Swiftmailer
added a note on how to override the default temp dir used by Swiftmailer

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