Comments Sort order within a topic is incorrect

[parthshah]

https://cloud.githubusercontent.com/assets/12552247/21193248/7db2962c-c1e0-11e6-924b-8f2a227883b4.png

See attached file for sample data.
post.json.txt

fyi @fnisen

[fnisen]

This is the project referenced in the screenshot: https://connect.topcoder.com/projects/222

[vikasrohit]

Done. Merged changes into dev, however, due to some strange reason, travis is not able to build the branch.