"fix" travis test as bin/onion seems to have unstable paths over different distros

Author: marcioAlmada

.travis.yml

@@ -7,9 +7,9 @@ before_script:
   - phpenv rehash
   - pear channel-discover pear.corneltek.com
   - pear install -f -a package.xml
-  - php bin/onion install
+  - php onion install
   - bash scripts/compile
-  - php bin/onion build
+  - php onion build
 
 script: phpunit
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