Initial Commit
add images and start version
refactor touch event and update function
fix touch event error
move layer related method into GameLayer
fix create block error
create label
rename hello.lua to tetris.lua
move gameLayer to the top level
draw block
adjust next block show position
add bound
add control pad
add touch event for control pad
disable fps info
Merge branch 'master' of github.com:hanks/tetris