Merge pull request #4 from shiva404/master

Latest code/Joining to the college - milestone
Merge pull request #6 from shiva404/master

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Issue3 =>  I can’t delete my post’s comments (commented by some other user on my post)
Added a check to find if the user logged in is the same as the user who posted the micropost.
Merge pull request #25 from AmruthaKS/master

Pull request.. Solved issue3