Restructuring

Added codecov

.travis.yml

@@ -9,4 +9,19 @@ before_script:
   - composer self-update
   - composer install --prefer-source --no-interaction
 
-script: vendor/bin/phpunit
+script: 
+- vendor/bin/phpunit --coverage-clover=coverage.xml
+
+after_success:
+# Submit coverage report to https://codecov.io
+- bash <(curl -s https://codecov.io/bash)
+
+# Monitor only these branches
+branches:
+  only:
+  - master
+
+# You can delete the cache using travis-ci web interface
+cache:
+  directories:
+  - $HOME/.composer/cache