copy deps from n98-magerun upstream

composer.json

@@ -9,17 +9,18 @@
     "homepage": "http://netz98.github.com/imi-conrun/",
     "keywords": ["contao", "installer", "cli", "conrun"],
     "require": {
-        "php": ">=5.3.3",
-        "symfony/console": "^2.5.2",
-        "symfony/event-dispatcher": "^2.5.2",
-        "symfony/finder": "^2.5.2",
-        "symfony/yaml": "^2.5.2",
-        "symfony/process": "^2.5.2",
-        "symfony/validator": "^2.5.2",
-        "n98/junit-xml": "^1.0.0",
-        "fzaninotto/faker": "^1.4.0",
-        "composer/composer": "1.0.*@dev",
-        "twig/twig": "^1.*"
+        "composer/composer": "^1.3.0",
+        "fzaninotto/faker": "~1.4",
+        "n98/junit-xml": "~1.0",
+        "php": ">=5.3.9",
+        "psy/psysh": "~0.4",
+        "symfony/console": "~2.3",
+        "symfony/event-dispatcher": "~2.3",
+        "symfony/finder": "~2.3",
+        "symfony/process": "~2.3",
+        "symfony/validator": "~2.3",
+        "symfony/yaml": "~2.3",
+        "twig/twig": "~1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "4.1.*",