Add effect when click on answer buttons
fix bug run mp3 file
commit before merge
Merge branch '20140726_VuongND_CreateViewPictureScreen' into 20140727_SonNV_ExamScreen
- Two funcs:
+ merge with view picture of vuongnd
+ exam 1 screen
Merge pull request #14 from alo04alo/20140727_SonNV_ExamScreen

20140727 son nv exam screen