Remove block-clicking hack put in for Google I/O demo (#494)
Remove block-clicking hack put in for Google I/O demo (#494)


sclements/scratch-blocks,LLK/scratch-blocks,LLK/scratch-blocks,griffpatch/scratch-blocks,gengshenghong/scratch-blocks,griffpatch/scratch-blocks,griffpatch/scratch-blocks,LLK/scratch-blocks,griffpatch/scratch-blocks,gengshenghong/scratch-blocks,sclements/scratch-blocks,gengshenghong/scratch-blocks,LLK/scratch-blocks,griffpatch/scratch-blocks,sclements/scratch-blocks,sclements/scratch-blocks,gengshenghong/scratch-blocks,sclements/scratch-blocks,gengshenghong/scratch-blocks,LLK/scratch-blocks