updated dependencies

.travis.yml

@@ -1,10 +1,16 @@
 language: php
 
 php:
-  - 5.3.3
   - 5.3
   - 5.4
   - 5.5
+  - 5.6
+  - hhvm
+
+matrix:
+    allow_failures:
+        - php: 5.6
+        - php: hhvm
 
 before_script: composer install --prefer-source
 

composer.json

@@ -19,12 +19,12 @@
         "sensio/distribution-bundle": "2.3.*",
         "sensio/framework-extra-bundle": "2.3.*",
         "sensio/generator-bundle": "2.3.*",
-        "jms/serializer-bundle": "dev-master",
-        "friendsofsymfony/rest-bundle": "1.2.*@dev",
+        "jms/serializer-bundle": "0.13.*@dev",
+        "friendsofsymfony/rest-bundle": "1.4.*",
         "nelmio/api-doc-bundle": "~2.4",
         "liip/cache-control-bundle": "~1.0.5",
-        "willdurand/hateoas-bundle": "0.2.*",
-        "hautelook/templated-uri-bundle": "~1.0",
+        "willdurand/hateoas-bundle": "1.0.*@dev",
+        "hautelook/templated-uri-bundle": "~2.0",
         "willdurand/rest-extra-bundle": "~1.0"
     },
     "conflict": {