Set col to a different value

[mperezv]

Set .col value on tags/_grouped_index.html.erb to improve responsiveness on that view. This is how it looks now on small screens:

Fix #541

[sseerrggii]

Good improvement @mperezv let's see how to fix travis

[sauloperez]

This looks good to me. We just need to wait for those specs to be 🍏 . Don't forget to explain the conclusions of your investigation because you do know why they are failing now 💪 😎

[sauloperez]

I just merged #401 so you should be able to rebase this branch onto develop and get a 🍏 CI build.

[sseerrggii]

Tested 🍏