Fixed position of title logo and button
Add evaluating load_title_audio in title_scene:createScene
Add module load_title_audio
Load title bgm stream
Set global 'title_bgm'
Fixed required path in title_scene
Add evluating play_title_bgm in title_scene
Add moudle play title bgm
play title bgm
Add channel while playing title bgm
Stop playing title bgm when start game
Merge branch 'master' of https://github.com/j4cksw/chickrunner