updating package.json file to add "contributors" section

updated "repository" field
removed references to packages that are builtin (crypto and path)

package.json

@@ -1,11 +1,34 @@
 {
   "author": "psychobunny <andrew@designcreateplay.com>, julianlam <julian@designcreateplay.com>, barisusakli <baris@designcreateplay.com>",
+  "contributors": [
+    {
+      "name": "Andrew Rodrigues",
+      "email": "andrew@designcreateplay.com"
+    },
+    {
+      "name": "Julian Lam",
+      "email": "julian@designcreateplay.com"
+    },
+    {
+      "name": "Barış Soner Uşaklı",
+      "email": "baris@designcreateplay.com"
+    },
+    {
+      "name": "Damian Bushong",
+      "url": "https://github.com/damianb"
+    },
+    {
+      "name": "Matt Smith",
+      "url": "https://github.com/soimafreak"
+    }
+  ],
   "license": "GPLv3 or later",
   "name": "NodeBB",
   "description": "NodeBB Forum",
   "version": "0.0.1",
   "homepage": "http://www.nodebb.org",
   "repository": {
+    "type": "git",
     "url": "https://github.com/designcreateplay/NodeBB/"
   },
   "main": "app.js",
@@ -17,8 +40,6 @@
       "emailjs": "0.3.4",
       "cookie": "0.0.6",
       "connect-redis": "1.4.5",
-      "path": "0.4.9",
-      "crypto": "0.0.3",
       "passport": "0.1.16",
       "passport-local": "0.1.6",
       "passport-twitter": "0.1.4",