Add support for endurange events ui

-Add updated version of pages
-Add initial eventcalendar jquery plugin
-Working css for eventsCalendar.
-Refactoring feeds to support categories.
-Refactor events for mode complex models
-Add EventsBase as base model and a model for sports and osallistujat.
-Add a rest interface for events models.
-Refactor feeds and update_osallistujat correspondently.
-Initial event calendar working
-Change title to contain only the name in database.
-Change the url back to link
-To make rest interface work as it provides a url to the rest object itself.
-Add initial calendar and list support
Merge branch 'master' of https://github.com/teerytko/nokiantorpedo-django
Update pages.