reorganizing composer.json and adding symfony/process

Author: dmolsen

composer.json

@@ -29,14 +29,15 @@
   },
   "require": {
     "php": ">=5.4",
-    "michelf/php-markdown": "^1.6.0",
-    "seld/jsonlint": "^1.0.0",
-    "symfony/event-dispatcher": "^3.0.0",
-    "symfony/filesystem": "^3.0.0",
-    "symfony/finder": "^3.0.0",
-    "symfony/yaml": "^3.0.0",
-    "kevinlebrun/colors.php": "^1.0.0",
-    "alchemy/zippy": "^0.3.0",
-    "shudrum/array-finder": "^1.0.0"
+		"alchemy/zippy": "^0.3",
+		"kevinlebrun/colors.php": "^1.0",
+    "michelf/php-markdown": "^1.6",
+    "seld/jsonlint": "^1.0",
+		"shudrum/array-finder": "^1.0",
+    "symfony/event-dispatcher": "^3.0",
+    "symfony/filesystem": "^3.0",
+    "symfony/finder": "^3.0",
+    "symfony/process": "^3.1",
+		"symfony/yaml": "^3.0"
   }
 }