Merge pull request +8151 from c9/fix/welcome-page

Updated welcome page with new blog post and doc links

package.json

@@ -112,6 +112,6 @@
         "c9.ide.threewaymerge": "#229382aa0b",
         "c9.ide.undo": "#b028bcb4d5",
         "c9.ide.upload": "#0bd010d3dc",
-        "c9.ide.welcome": "#9eda5a8706"
+        "c9.ide.welcome": "#c370b3f191"
     }
 }