Put the node in loading state when it's loading

package.json

@@ -96,7 +96,7 @@
         "c9.ide.installer": "#b2e4ba0a92",
         "c9.ide.language.python": "#aff0772c78",
         "c9.ide.language.go": "#6ce1c7a7ef",
-        "c9.ide.mount": "#73a0b6bef0",
+        "c9.ide.mount": "#f00380727a",
         "c9.ide.navigate": "#5d5707058c",
         "c9.ide.newresource": "#981a408a7b",
         "c9.ide.openfiles": "#2ae85a9e33",