Updated manifest for FirefoxOS web

app/manifest.webapp

@@ -2,7 +2,7 @@
   "name": "Webogram",
   "description": "Webogram – UNOFFICIAL Telegram Web App.\nMore info & source code here: https://github.com/zhukov/webogram",
   "version": "0.0.12",
-  "launch_path": "/index.html",
+  "launch_path": "/webogram/index.html",
   "developer": {
     "name": "Igor Zhukov",
     "url": "https://github.com/zhukov"
@@ -16,12 +16,12 @@
     }
   },
   "icons": {
-    "16": "img/icons/icon16.png",
-    "32": "img/icons/icon32.png",
-    "60": "img/icons/icon60.png",
-    "64": "img/icons/icon64.png",
-    "90": "img/icons/icon90.png",
-    "120": "img/icons/icon120.png",
-    "128": "img/icons/icon128.png"
+    "16": "/webogram/img/icons/icon16.png",
+    "32": "/webogram/img/icons/icon32.png",
+    "60": "/webogram/img/icons/icon60.png",
+    "64": "/webogram/img/icons/icon64.png",
+    "90": "/webogram/img/icons/icon90.png",
+    "120": "/webogram/img/icons/icon120.png",
+    "128": "/webogram/img/icons/icon128.png"
   }
 }