add php-coveralls to project

Author: adriangibbons

.travis.yml

@@ -2,4 +2,9 @@ language: php
 php:
   - 5.5
 
-script: phpunit tests
+script:
+  - mkdir -p build/logs
+  - phpunit tests --coverage-clover build/logs/clover.xml
+
+after_script:
+  - php vendor/bin/coveralls

composer.json

@@ -6,7 +6,8 @@
     "homepage": "https://github.com/adriangibbons/php-fit-file-analysis",
     "require-dev": {
         "phpunit/phpunit": "4.8.*",
-        "squizlabs/php_codesniffer": "2.*"
+        "squizlabs/php_codesniffer": "2.*",
+        "satooshi/php-coveralls": "dev-master"
     },
     "autoload": {
         "psr-4": {