Fixed travis file

.travis.yml

@@ -1,18 +1,19 @@
 language: php
 before_script:
-    - wget http://getcomposer.org/composer.phar
-	- php composer.phar install --dev
+  - wget http://getcomposer.org/composer.phar
+  - php composer.phar install --dev
 php:
-    - 5.3
-    - 5.4
-    - 5.5
-    - 5.6
-    - hhvm
+  - 5.3
+  - 5.4
+  - 5.5
+  - 5.6
+  - hhvm
+
 matrix:
-    allow_failures:
-        - php: hhvm
+  allow_failures:
+    - php: hhvm
 
 script: phpunit
 
 after_script:
-    - php vendor/bin/coveralls -v
+  - php vendor/bin/coveralls -v