added contributor

package.json

@@ -10,13 +10,13 @@
         "url": "git://github.com/Vizzuality/Windshaft-cartodb.git"
     }],
     "author": {
-      "name": "Simon Tokumine, Vizzuality",
+      "name": "Simon Tokumine, Javi Santana, Vizzuality",
       "url": "http://vizzuality.com",
       "email": "simon@vizzuality.com"
     },
     "dependencies": {
         "underscore"  : "1.1.x",
-        "windshaft"  : "0.2.6",
+        "windshaft"  : "0.3.0",
         "step": "0.0.x",
         "generic-pool": "1.0.x",
         "redis": "0.6.7",
@@ -28,4 +28,4 @@
     "scripts": {
         "test": "which expresso | sh"
     }
-}
+}