Main page migrated to an extension

Change-Id: Id53234757bae8d1e2349d28505148d89a4f1b036
MainPage migrated to regular extension

Change-Id: Ia202602f803d485b11f5b9659f19e947434eea30
Merge changes Ia202602f,Id5323475

* changes:
  MainPage migrated to regular extension
  Main page migrated to an extension