Add .travis.yml

Author: Jens Averkamp

.travis.yml

@@ -0,0 +1,35 @@
+language: php
+
+php:
+  - 5.3
+  - 5.4
+  - 5.5
+  - 5.6
+  - nightly
+  - hhvm
+  - hhvm-nightly
+
+branches:
+  only:
+    - master
+
+matrix:
+  include:
+    - php: 5.5
+      env: SYMFONY_VERSION='2.3.* symfony/expression-language:2.4.*'
+    - php: 5.5
+      env: SYMFONY_VERSION=2.4.*
+    - php: 5.5
+      env: SYMFONY_VERSION=2.6.*
+    - php: 5.5
+      env: SYMFONY_VERSION='2.7.*@dev'
+  allow_failures:
+    - php: nightly
+    - php: hhvm-nightly
+
+before_script:
+  - composer self-update
+  - sh -c 'if [ "$SYMFONY_VERSION" != "" ]; then composer require --dev --no-update symfony/symfony=$SYMFONY_VERSION; fi;'
+  - composer update --prefer-source
+
+script: phpunit