run basic app functional tests within the main repo test chain

.travis.yml

@@ -1,12 +0,0 @@
-language: php
-
-php:
- - 5.5
- - 5.4
-
-before_script:
-  - composer install --dev --prefer-dist
-  - php vendor/bin/codecept build
-
-script:
-  - php vendor/bin/codecept run functional