feat(mixit15): Go for 2015 !

- Created 2015 event,
- home page cleanup,
- hide menus (sessions, planning, members, speakers,... all pointing on CURRENT event),
- added info menu for 2014,
- updated sponsors documents links
solved

On Fri, Dec 12, 2014 at 10:51 AM, Cyril Lacôte <notifications@github.com>
wrote:

> In conf/messages
> <https://github.com/mix-it/linkit/pull/305#discussion-diff-21735319>:
>
> > @@ -502,9 +503,12 @@ event.mixit13.time=8H30-18H30
> >  event.mixit14=Mix-IT 2014
> >  event.mixit14.date=29 et 30 avril 2014
> >  event.mixit14.time=8H30-18H30
> > +event.mixit15=Mix-IT 2015
> > +event.mixit15.date=16 et 17 avril 2014
>
> 2014 -> 2015
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/mix-it/linkit/pull/305/files#r21735319>.
>