Update doctrine dependencies to a safe version for PHP 7.0

Author: jordisala1991

composer.json

@@ -10,14 +10,14 @@
     ],
     "require": {
         "php": "^5.6 || ^7.0",
-        "doctrine/common": "^2.4",
-        "doctrine/data-fixtures": "^1.0",
-        "doctrine/doctrine-bundle": "^1.0",
-        "doctrine/phpcr-bundle": "^1.1",
-        "doctrine/phpcr-odm": "^1.1 || ^2.0",
+        "doctrine/common": "^2.7",
+        "doctrine/data-fixtures": "^1.2",
+        "doctrine/doctrine-bundle": "^1.8",
+        "doctrine/phpcr-bundle": "^1.3",
+        "doctrine/phpcr-odm": "^1.4 || ^2.0",
         "friendsofsymfony/jsrouting-bundle": "^1.1",
-        "jackalope/jackalope": "^1.1.5",
-        "jackalope/jackalope-doctrine-dbal": "^1.1.5",
+        "jackalope/jackalope": "^1.3",
+        "jackalope/jackalope-doctrine-dbal": "^1.3",
         "symfony/browser-kit": "^2.8 || ^3.0",
         "symfony/console": "^2.8 || ^3.0",
         "symfony/css-selector": "^2.8 || ^3.0",