Clear blockly on reset and switch scenario
Allow video id of 0 to be played without reloading
Merge pull request #338 from virtual-world-framework/video-id

Allow video id of 0 to be played without reloading
Merge pull request #337 from virtual-world-framework/clear-blockly-on-reset

Clear blockly on reset and switch scenario
Merge pull request #339 from virtual-world-framework/mars-game-staging

Mars game staging