Change to dev-master self qa

Author: webysther

.travis.yml

@@ -15,7 +15,7 @@ script:
   # For faster installing
   - composer global require hirak/prestissimo
   # self install
-  - composer global require webysther/composer-plugin-qa
+  - composer global require webysther/composer-plugin-qa dev-master
   # Validate composer.json file.
   - composer validate
   # Try to install all requirements.