Upgrade to v0.4

Change-Id: I3ca1814c7d5c9a63cb09522232172947b014808f

Author: ShadowMitia

manifest.json

@@ -3,7 +3,7 @@
   "manifest_version": 2,
   "name": "Straight to the web",
   "homepage_url": "https://github.com/ShadowMitia/Straight-to-the-web",
-  "version": "0.3.1",
+  "version": "0.4",
   "description": " Simplify the way Google shows you results, without the chaos.",
   "permissions": [
     "webRequest",