Magic Cube

Make the Tutorial Dialog look better

New flags: Dominicana and Bahamas.
Fix a bug with displaying the Dominican flag ( a special case! )

- new tutorials
- fix youtube playback

Fix the too large 'back' icon in the Tutorial Activity.

Progress creating the Tutorial Dialog.

Progress creating the Tutorial Dialog.

Progress creating the Tutorial Dialog.

Progress creating the Tutorial Dialog.

Merge remote-tracking branch 'origin/tutorial'

1. Conflicts:
2. src/main/java/org/distorted/dialogs/RubikDialogInfo.java
3. src/main/java/org/distorted/states/RubikStateBase.java
4. src/main/java/org/distorted/tutorial/TutorialActivity.java...

Progress creating the Tutorial Activity.