[readme] Add Travis-CI and Coveralls badges for master branch
[readme] Add Travis-CI and Coveralls badges for master branch

Maks3w/zend-paginator,zendframework/zend-paginator,MadCat34/zend-paginator,zendframework/zend-paginator,Maks3w/zend-paginator,MadCat34/zend-paginator