Merge pull request GoogleCloudPlatform#51 from GoogleCloudPlatform/fix-composer-files

removes typo files and moves composer into travis.yml

Author: bshaffer

.travis.yml

@@ -75,5 +75,5 @@ script:
   - popd
 
 after_script:
-  - composer install
+  - composer require "satooshi/php-coveralls:^1.0"
   - travis_retry php vendor/bin/coveralls -v