Bump dependencies

package.json

@@ -17,45 +17,45 @@
     "coveralls": "istanbul cover _mocha --report lcovonly -- -R dot && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "dependencies": {
-    "ace-builds": "^1.2.6",
-    "async": "2.4.1",
-    "autoprefixer": "7.1.1",
+    "ace-builds": "^1.2.8",
+    "async": "2.5.0",
+    "autoprefixer": "7.1.3",
     "bcryptjs": "2.4.3",
-    "benchpressjs": "^1.0.2",
-    "body-parser": "^1.9.0",
+    "benchpressjs": "^1.0.3",
+    "body-parser": "^1.17.2",
     "bootstrap": "^3.3.7",
-    "chart.js": "^2.4.0",
-    "colors": "^1.1.0",
-    "compression": "^1.1.0",
+    "chart.js": "^2.6.0",
+    "colors": "^1.1.2",
+    "compression": "^1.7.0",
     "connect-ensure-login": "^0.1.1",
     "connect-flash": "^0.1.1",
     "connect-mongo": "1.3.2",
     "connect-multiparty": "^2.0.0",
     "connect-redis": "3.3.0",
-    "cookie-parser": "^1.3.3",
-    "cron": "^1.0.5",
+    "cookie-parser": "^1.4.3",
+    "cron": "^1.2.1",
     "cropperjs": "^0.8.1",
-    "csurf": "^1.6.1",
-    "daemon": "~1.1.0",
-    "express": "^4.14.0",
-    "express-session": "^1.8.2",
+    "csurf": "^1.9.0",
+    "daemon": "^1.1.0",
+    "express": "^4.15.4",
+    "express-session": "^1.15.5",
     "express-useragent": "1.0.7",
     "html-to-text": "3.3.0",
-    "ipaddr.js": "^1.5.0",
+    "ipaddr.js": "^1.5.2",
     "jimp": "0.2.28",
-    "jquery": "^3.1.0",
-    "json-2-csv": "^2.0.22",
-    "less": "^2.0.0",
+    "jquery": "^3.2.1",
+    "json-2-csv": "^2.1.1",
+    "less": "^2.7.2",
     "lodash": "^4.17.4",
-    "logrotate-stream": "^0.2.3",
-    "lru-cache": "4.0.2",
-    "mime": "^1.3.4",
-    "minimist": "^1.1.1",
-    "mkdirp": "~0.5.0",
-    "mongodb": "2.2.27",
-    "morgan": "^1.3.2",
-    "mousetrap": "^1.5.3",
-    "nconf": "~0.8.2",
+    "logrotate-stream": "^0.2.5",
+    "lru-cache": "4.1.1",
+    "mime": "^1.4.0",
+    "minimist": "^1.2.0",
+    "mkdirp": "^0.5.1",
+    "mongodb": "2.2.31",
+    "morgan": "^1.8.2",
+    "mousetrap": "^1.6.1",
+    "nconf": "^0.8.4",
     "nodebb-plugin-composer-default": "5.0.7",
     "nodebb-plugin-dbsearch": "2.0.6",
     "nodebb-plugin-emoji-extended": "1.1.1",
@@ -75,28 +75,28 @@
     "nodemailer-smtp-transport": "^2.4.1",
     "passport": "^0.3.0",
     "passport-local": "1.0.0",
-    "postcss": "6.0.1",
-    "postcss-clean": "1.0.2",
+    "postcss": "6.0.10",
+    "postcss-clean": "1.0.3",
     "promise-polyfill": "^6.0.2",
     "prompt": "^1.0.0",
-    "redis": "2.7.1",
+    "redis": "2.8.0",
     "request": "2.81.0",
     "rimraf": "2.6.1",
-    "rss": "^1.0.0",
-    "sanitize-html": "^1.13.0",
-    "semver": "^5.1.0",
-    "serve-favicon": "^2.1.5",
-    "sitemap": "^1.4.0",
-    "socket.io": "2.0.1",
-    "socket.io-client": "2.0.1",
-    "socket.io-redis": "5.0.1",
+    "rss": "^1.2.2",
+    "sanitize-html": "^1.14.0",
+    "semver": "^5.4.1",
+    "serve-favicon": "^2.4.3",
+    "sitemap": "^1.13.0",
+    "socket.io": "2.0.3",
+    "socket.io-client": "2.0.3",
+    "socket.io-redis": "5.2.0",
     "socketio-wildcard": "2.0.0",
     "spdx-license-list": "^3.0.1",
-    "string": "^3.0.0",
+    "string": "^3.3.3",
     "toobusy-js": "^0.5.1",
-    "uglify-js": "^3.0.11",
-    "validator": "7.0.0",
-    "winston": "^2.1.0",
+    "uglify-js": "^3.0.28",
+    "validator": "8.1.0",
+    "winston": "^2.3.1",
     "xml": "^1.0.1",
     "xregexp": "3.2.0",
     "zxcvbn": "^4.4.2"
@@ -106,11 +106,11 @@
     "eslint": "^3.12.0",
     "eslint-config-airbnb-base": "^11.1.0",
     "eslint-plugin-import": "^2.2.0",
-    "grunt": "~1.0.0",
+    "grunt": "^1.0.1",
     "grunt-contrib-watch": "^1.0.0",
     "istanbul": "^0.4.2",
     "jsdom": "9.12.0",
-    "mocha": "~3.2.0",
+    "mocha": "^3.5.0",
     "mocha-lcov-reporter": "^1.2.0",
     "xmlhttprequest": "1.8.0",
     "xmlhttprequest-ssl": "1.5.3"
@@ -119,7 +119,7 @@
     "url": "https://github.com/NodeBB/NodeBB/issues"
   },
   "engines": {
-    "node": ">=4"
+    "node": ">=6"
   },
   "maintainers": [
     {