Merge pull request #103 from ChrisBoesch/master

Updates
Merge pull request #323 from Arathi298/master

Update challenge
Merge pull request #104 from ChrisBoesch/master

Updates
Cosmetic changes
Merge pull request #324 from ShaikDawood/master

Cosmetic changes
Merge pull request #325 from Arathi298/master

update Story & Profile
Merge pull request #8 from ChrisBoesch/master

update