Removed levels 1 through 3.  Updated prefabs for level and player.  Finished adding scenes for Beta levels 0-11.
Merge branch 'master' of https://github.com/bbrouse/shapesmith into level_design
Finished level 5
Merge branch 'master' of https://github.com/bbrouse/shapesmith into level_design
Removed main_menu.  It's replaced with Level_Select.
Updated goals for all scenes and goal prefab.
Updated level select scene. Updated scripts to correctly quit the game (in webplayer) and use the updated beta naming scheme.
Modified Level Select scene.
Updated prefabs to give the player more time to place a block and increase the number of blocks they start with.