Merge pull request #84 from JeremyLetang/ticket

more work on notification integration
to delete
- SurveyImpl has been a little improved
- munit test classes for the survey module and the notification modules (SurveyTest and NotificationTest) have been created
Merge pull request #85 from imperio06/master

munit test classes and improvements
Update README.md
Update README.md
Update README.md
Create README.md
add unit tests