Calculated values removed, they are giving problems when trying to query the DB.
Fix error when reversing the url, changed hero.id for hero.hero_id
Changed URI img for css sprite
Changed img urls for css sprites
Almost all views migrated to MSSQL DB
Fixed order_by sentences not finding 'match_id'. Since match is a foreign key double underscore is needed in order to correctly resolve the field
URI dropped, only css sprites now
Some minor lines deleted