Update composer, dependencies and small travis improvements

.travis.yml

@@ -6,24 +6,21 @@ services:
   - mysql
 
 before_script:
-  - composer self-update
-  - composer update
+  - php ./composer.phar install
   - mysql -e 'create database cargo_sample;'
   - cp ./config/autoload/local.php.dist ./config/autoload/local.php
   - cp ./config/behat.yml.travis ./config/behat.yml
   - chmod -R 777 ./data/cache
   - php ./bin/migrations.php migrations:migrate -n
   - "sh -e /etc/init.d/xvfb start"
   - "export DISPLAY=:99.0"
-  - "java -jar selenium-server-standalone-2.46.0.jar > /dev/null &"
+  - "java -jar ./selenium-server-standalone-2.46.0.jar > /dev/null &"
   # webserver setup
-  -  php -S localhost:8000 -t public &
+  - php -S localhost:8000 -t ./public &
   - sleep 10
 
-
 script:
   - php ./bin/kawaii gherkin:check features/
   - php ./bin/phpunit -c ./CargoBackend/tests
   - php ./bin/phpunit -c ./GraphTraversalBackend/tests
-  - bin/behat --verbose
-
+  - php ./bin/behat --verbose