make jio a npm module &define dependencies

package.json

@@ -8,7 +8,7 @@
     "Sven Franck <sven.franck@nexedi.com>"
   ],
   "description": "Client-side JavaScript library to manage documents across multiple storages",
-  "main": "jio.js",
+  "main": "dist/nodejs/jio.js",
   "directories": {
     "example": "examples",
     "test": "test"
@@ -32,7 +32,15 @@
     "rsvp": "git+https://lab.nexedi.com/nexedi/rsvp.js.git",
     "uritemplate": "git+https://lab.nexedi.com/nexedi/uritemplate-js.git",
     "moment": "2.13.0",
-    "rusha": "0.8.2"
+    "rusha": "0.8.2",
+    "urijs": "^1.18.9",
+    "xhr2": "^0.1.4",
+    "navigator": "^1.0.1",
+    "form-data": "^2.1.2",
+    "atob": "^2.0.3",
+    "node-localstorage": "^1.3.0",
+    "btoa": "^1.1.2",
+    "stream-buffers": "^3.0.1"
   },
   "devDependencies": {
     "renderjs": "git+https://lab.nexedi.com/nexedi/renderjs.git",
@@ -47,7 +55,7 @@
     "grunt-contrib-watch": "~0.5.3",
     "grunt-jslint": "~1.0.0",
     "lz-string": "^1.4.4",
-    "sinon": "latest",
+    "sinon": "~2.1.0",
     "jison": "~0.4.16",
     "connect-livereload": "~0.3.0",
     "grunt-open": "~0.2.2",