Update levelDb version

package.json

@@ -40,13 +40,13 @@
     "github": "^0.2.x",
     "intel": "^1.0.x",
     "js2xmlparser": "^0.1.x",
-    "level": "0.18.0",
+    "level": "^2.1.0",
     "lodash": "^3.2.x",
     "marked": "0.3.3",
     "mds-wrapper": "^1.3.x",
     "node-uuid": "~1.4.x",
     "request": "^2.53.x",
-    "semver": "^4.3.x",
+    "semver": "^5.4.1",
     "sha1": "~1.1.x",
     "susanin": "^0.1.x",
     "tar": "^1.0.x",
@@ -56,12 +56,12 @@
     "vow-node": "^0.2.x"
   },
   "devDependencies": {
-    "mocha": "~2.1.0",
-    "mocha-lcov-reporter": "0.0.1",
-    "should": "~5.0.x",
     "istanbul": "^0.3.x",
+    "jscs": "^1.11.x",
     "jshint": "~2.6.x",
-    "jscs": "^1.11.x"
+    "mocha": "^2.1.0",
+    "mocha-lcov-reporter": "0.0.1",
+    "should": "~5.0.x"
   },
   "main": "index.js",
   "scripts": {