Update Gemfile for better development
Merge branch 'develop' of github.com:guluc3m/gul-gultalks into develop
A great bunch of changes

- Minor bug fixes
- Added some "smart" capabilities
Add missing comments locales and minor fixes
Merge branch 'rafa-dev/develop' into develop

Conflicts:
	app/views/events/show.html.haml
	app/views/partials/_public_comments.html.haml

And some minor fixes
Added language to the seeds
Added nested comments. Need to show the form dynamically instead of having a new view