Add features:

- allow pinning apps in Setting
- pinned apps in system pannel
- Services manager in Setting
- Fix and impprove some CSS bug

src/packages/MarketPlace/package.json

@@ -8,7 +8,7 @@
     },
     "version":"0.2.2-a",
     "category":"System",
-    "iconclass":"fa fa-adn",
+    "iconclass":"fa  fa-shopping-bag",
     "mimes":["none"],
     "locales": {}
 }