Updated composer.json skeleton and added missing composer.lock

- added description
- added support section
- fixed sections order
- updated dev dependencies

Author: michalbundyra

composer.json

@@ -1,17 +1,20 @@
 {
     "name": "zendframework/zend-servicemanager",
-    "description": " ",
+    "description": "Factory-Driven Dependency Injection Container",
     "license": "BSD-3-Clause",
     "keywords": [
         "zf",
+        "zendframework",
         "servicemanager",
         "service-manager"
     ],
-    "homepage": "https://github.com/zendframework/zend-servicemanager",
-    "autoload": {
-        "psr-4": {
-            "Zend\\ServiceManager\\": "src/"
-        }
+    "support": {
+        "docs": "https://docs.zendframework.com/zend-servicemanager/",
+        "issues": "https://github.com/zendframework/zend-servicemanager/issues",
+        "source": "https://github.com/zendframework/zend-servicemanager",
+        "rss": "https://github.com/zendframework/zend-servicemanager/releases.atom",
+        "slack": "https://zendframework-slack.herokuapp.com",
+        "forum": "https://discourse.zendframework.com/c/questions/components"
     },
     "require": {
         "php": "^5.6 || ^7.0",
@@ -21,21 +24,22 @@
     },
     "require-dev": {
         "ocramius/proxy-manager": "^1.0 || ^2.0",
-        "phpbench/phpbench": "^0.10.0",
-        "phpunit/phpunit": "^5.7 || ^6.0.6",
-        "mikey179/vfsStream": "^1.6",
+        "phpbench/phpbench": "^0.13.0",
+        "phpunit/phpunit": "^5.7.25 || ^6.4.4",
+        "mikey179/vfsStream": "^1.6.5",
         "zendframework/zend-coding-standard": "~1.0.0"
     },
+    "provide": {
+        "container-interop/container-interop-implementation": "^1.2",
+        "psr/container-implementation": "^1.0"
+    },
     "suggest": {
         "ocramius/proxy-manager": "ProxyManager 1.* to handle lazy initialization of services",
         "zendframework/zend-stdlib": "zend-stdlib ^2.5 if you wish to use the MergeReplaceKey or MergeRemoveKey features in Config instances"
     },
-    "minimum-stability": "dev",
-    "prefer-stable": true,
-    "extra": {
-        "branch-alias": {
-            "dev-master": "3.3-dev",
-            "dev-develop": "4.0-dev"
+    "autoload": {
+        "psr-4": {
+            "Zend\\ServiceManager\\": "src/"
         }
     },
     "autoload-dev": {
@@ -44,9 +48,14 @@
             "ZendBench\\ServiceManager\\": "benchmarks/"
         }
     },
-    "provide": {
-        "container-interop/container-interop-implementation": "^1.2",
-        "psr/container-implementation": "^1.0"
+    "config": {
+        "sort-packages": true
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "3.3-dev",
+            "dev-develop": "4.0-dev"
+        }
     },
     "bin": [
         "bin/generate-deps-for-config-factory",