getTop5Topics has been tested when there are 3, 5, more than 5, and 0
topics available
Merge branch 'master' of https://github.com/cprasenj/ADDA
production data folder is included in .gitignore
added mahesh tests getMyTopics-1  getMyTopics-2
Merge branch 'master' of https://github.com/cprasenj/ADDA