update README for coveralls result
update README for coveralls result

hechunwen/phpbrew,konomae/phpbrew,wellic/phpbrew,phpbrew/phpbrew,davidfuhr/phpbrew,dduca-sugarcrm/phpbrew,kayyyy/phpbrew,davidfuhr/phpbrew,viniciusferreira/phpbrew,williamn/phpbrew,pinkbigmacmedia/phpbrew,williamn/phpbrew,pierredup/phpbrew,zonuexe/phpbrew,svetlyak40wt/phpbrew,phpbrew/phpbrew,svetlyak40wt/phpbrew,morozov/phpbrew,pinkbigmacmedia/phpbrew,dduca-sugarcrm/phpbrew,konomae/phpbrew,svetlyak40wt/phpbrew,viniciusferreira/phpbrew,viniciusferreira/phpbrew,konomae/phpbrew,viniciusferreira/phpbrew,mengzyou/phpbrew,zonuexe/phpbrew,zonuexe/phpbrew,svetlyak40wt/phpbrew,mengzyou/phpbrew,mengzyou/phpbrew,phpbrew/phpbrew,zonuexe/phpbrew,hechunwen/phpbrew,hechunwen/phpbrew,dduca-sugarcrm/phpbrew,wellic/phpbrew,williamn/phpbrew,mengzyou/phpbrew,williamn/phpbrew,pinkbigmacmedia/phpbrew,wellic/phpbrew,davidfuhr/phpbrew,kayyyy/phpbrew,morozov/phpbrew,pierredup/phpbrew,kayyyy/phpbrew,wellic/phpbrew,davidfuhr/phpbrew,pierredup/phpbrew,dduca-sugarcrm/phpbrew,konomae/phpbrew,davidfuhr/phpbrew,pierredup/phpbrew,hechunwen/phpbrew,kayyyy/phpbrew,pinkbigmacmedia/phpbrew