Update formbundle version dependency. Ready for release. Tag coming

Author: sescandell

composer.json

@@ -18,7 +18,7 @@
         "symfony/symfony": "~2.8|~3.0",
         "twig/twig": "~1.23",
         "twig/extensions": "~1.0",
-        "symfony2admingenerator/form-bundle": "~1.0"
+        "symfony2admingenerator/form-bundle": "~1.3"
     },
     "suggest": {
         "symfony2admingenerator/generator-bundle": "The missing symfony2 admin generator",