Added user's gravatar in the comment view
Fix typo folled -> followed
rubyists -> Rubyists
Merge pull request #11 from prathamesh-sonpatki/comment_users_gravatar

Added user's gravatar in the comment view
Using singular of days, hours, minutes, seconds if quantity is 1

- Entry created 1 days ago was looking bad.
- So changed it to 1 day ago.
Merge pull request #12 from prathamesh-sonpatki/singularization

Using singular of days, hours, minutes, seconds if quantity is 1