Refactor RubikObject in preparation for creating RubikObjects from DownloadedObjects.
Downloading updates: dialog progress.
Corrections for the UI.
Remove 3 out of 4 object icons.
Improve the behaviour of the Config and Tutorial activities when in the 'PopUpMode'. Also, remember the current object in the COnfig activity so that when we put it to the background and resume - the object stays.
Progress replacing the enum ObjetType with the class RubikObjectList.
Progress with ConfigScreen.
Beginnings of the ConfigActivity.