Travis improvements

Author: GrahamCampbell

.travis.yml

@@ -7,7 +7,7 @@ php:
   - 5.6
   - hhvm
   - hhvm-nightly
- 
+
 matrix:
     allow_failures:
         - php: hhvm
@@ -20,9 +20,9 @@ before_script:
  - sudo apt-get -qq update > /dev/null
  - phpenv rehash > /dev/null
  - composer selfupdate --quiet
- - composer install --dev --prefer-source
+ - composer install --no-interaction --prefer-source --dev
  - vendor/bin/phpunit
- - composer update --dev --prefer-source
+ - composer update --no-interaction --prefer-source --dev
 
 notifications:
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