update readme with PSR-0 information
update readme with PSR-0 information

quizlet/paratest,quizlet/paratest,ThomasDelteil/paratest,RojerUA/paratest,brianium/paratest,localheinz/paratest,brianium/paratest,ThomasDelteil/paratest,chbiel/paratest,localheinz/paratest,RojerUA/paratest,chbiel/paratest