node modules update

package.json

@@ -18,7 +18,7 @@
   "author": "Roman Timashev",
   "license": "ISC",
   "dependencies": {
-    "babel-core": "^6.5.2",
+    "babel-core": "^6.7.4",
     "babel-polyfill": "^6.7.4",
     "babel-preset-es2015": "^6.5.0",
     "babel-preset-stage-0": "^6.5.0",
@@ -41,15 +41,15 @@
     "koa-query": "0.0.2",
     "koa-route": "^3.1.0",
     "koa-static": "^3.0.0",
-    "mongodb": "^2.1.11",
-    "mz": "^2.3.1",
+    "mongodb": "^2.1.14",
+    "mz": "^2.4.0",
     "request-promise": "^2.0.1",
     "sitemap": "^1.5.0",
     "socket.io": "^1.4.5",
     "thunkify": "^2.1.2"
   },
   "devDependencies": {
-    "autoprefixer": "^6.2.3",
+    "autoprefixer": "^6.3.6",
     "babel-cli": "^6.6.5",
     "babel-loader": "^6.2.2",
     "bower": "^1.3.12",
@@ -66,7 +66,7 @@
     "html-minify-loader": "~1.1.0",
     "istanbul": "~0.4.2",
     "raw-loader": "~0.5.1",
-    "should": "~8.2.2",
+    "should": "^8.2.2",
     "vinyl-named": "~1.1.0",
     "mocha": "~2.4.5",
     "webpack-stream": "~3.1.0"