Replace coveralls with codecov (#5)

* Replace coveralls with codecov

* Add composer install back in

Author: mikefrancis

.travis.yml

@@ -5,13 +5,10 @@ php:
   - '7.1'
 
 install:
-  - composer require satooshi/php-coveralls
-
-before_script:
-  - mkdir -p build/logs
+  - composer install --no-interaction
 
 script:
-  - phpunit --coverage-clover build/logs/clover.xml
+  - phpunit --coverage-clover=coverage.xml
 
 after_success:
-  - php vendor/bin/coveralls
+  - bash <(curl -s https://codecov.io/bash)

README.md

@@ -1,6 +1,6 @@
 # Laravel SecureHeaders
 
-[![Build Status](https://travis-ci.org/mikefrancis/laravel-secureheaders.svg?branch=master)](https://travis-ci.org/mikefrancis/laravel-secureheaders) [![Coverage Status](https://coveralls.io/repos/github/mikefrancis/laravel-secureheaders/badge.svg?branch=master)](https://coveralls.io/github/mikefrancis/laravel-secureheaders?branch=master)
+[![Build Status](https://travis-ci.org/mikefrancis/laravel-secureheaders.svg?branch=master)](https://travis-ci.org/mikefrancis/laravel-secureheaders) [![codecov](https://codecov.io/gh/mikefrancis/laravel-secureheaders/branch/master/graph/badge.svg)](https://codecov.io/gh/mikefrancis/laravel-secureheaders)
 
 SecureHeaders wrapper for Laravel.