Fix photo sorting errors in FOSSASIA GCI.

In the screenshot below you see how there is always a pair of photos, but sometimes only one photo in the row. Find out what is the reason and fix it.

[IMAGE http://blog.fossasia.org/sites/default/files/photo-organization-gcisite.png]

Links

How to use github pages: https://pages.github.com

FOSSASIA GCI Website: https://fossasia.github.io

FOSSASIA Github https://github.com/fossasia/fossasia.github.io