added AsyncTask for asynchronous project saving
fixed junit tests
refactor code
refactor source code
refactor source
fix test for asynchronous saving
Merge branch 'master' into improve_save_behaviour
Refactored test cases from ProjectManager.saveProject to StorageHandler.saveProject
fix UiTestUtils method
Refactor MyProjectsActivityTest
Refactor MyProjectsActivityTest
Refactor MyProjectsActivityTest
Refactor MyProjectsActivityTest
Merge branch 'master' into improve_save_behaviour
refactor time to wait before long click on ListItem in the MyProjectsActivityTest
Refactor MyProjectsActivityTest
Refactor MyProjectsActivityTest
Refactor MyProjectsActivityTest
Refactor MyProjectsActivityTest
Refactor MyProjectsActivityTest