add listen screen
fix conflic in GlobalData and Manifest
create dialog when exit test screen
Merge pull request #23 from alo04alo/20140817_VuongNd_createNotifyExitDialog

create dialog when exit test screen
- fix error with recommend feature in listen screen
- fix bug when random two answer button with same content in listen
screent
Put test result into tab content (exam 1)
Merge pull request #24 from alo04alo/20140819_VuongND_CreateTestResultScreenInTestTab

Put test result into tab content (exam 1)
- change ListenWrite activity to use fragment approach
- add ExamListenWriteFragment that will be used in Exam activity
Merge branch 'test'
remove project.properties file from git index
delete project.properties on HEAD
Merge branch 'test'
Merge branch 'master' into 20140816_SonNV_EditHomeScreen

Conflicts:
	AndroidManifest.xml
	res/values/strings.xml