Fixes #132 #133 - Scenario for beta site

Full scenario with players, programs, gameflows for beta site.

For the beta site, the game avioncito must be deployed in the
media folder under: media/games/avioncito/v1.0.5.1
After this deployment, script dir-builder.py must be executed
to create symlinks for all games.

All game_flow references where corrected to gameflow