Tickets sold out
Added confirmed field for call4papers
Fixed tickets and sponsors titles alineation
Added field speakers (m2m) to talk
Ordering for speakers
forget the previous commit #sigh
Better visualization for speakers m2m in admin
Improving django admin
Deleted unnecessary field in call4papers.Talk
New colors and toggle function
Merge branch 'schedule' of github.com:python-spain/pycones-web into schedule
Merge branch 'master' of github.com:python-spain/pycones-web into schedule
Fixing schedule design and responsive