Merge pull request #17 from rmmpremaratne/master

Icon added
Unhappy Test done and sucess
Merge pull request #18 from rmmpremaratne/master

Readme.md edited
test cases completed
List Activities =7/7 done
Search Activities  =7/32 done
getActivities =2/2 done
Merge remote-tracking branch 'origin/master'
Merge pull request #11 from tharindu1st/master

Testing edits