Fix #152: Coveralls integration does not work

Author: zaporylie

Diff for: .coveralls.yml

@@ -1,9 +1,3 @@
-#.coveralls.yml
-
-src_dir: lib/
-
 # single file
 coverage_clover: test/output/clover.xml
-
-
 json_path: test/output/coveralls-upload.json

Diff for: composer.json

@@ -26,7 +26,9 @@
     "php-http/guzzle6-adapter": "^1.0",
     "mockery/mockery": "^0.9.4",
     "friendsofphp/php-cs-fixer": "^1.11",
-    "nyholm/nsa": "^1.0"
+    "nyholm/nsa": "^1.0",
+    "satooshi/php-coveralls": "dev-master",
+    "phpunit/phpcov": "2.*"
   },
   "autoload": {
     "psr-4": {