"Final" version reached (03.12.2013)

No open tickets at the moment, see https://sourceforge.net/p/geo5/tickets/

What has changed?
- The user can change between three different marker icons (mushroom, mushroom with user, marker).
- The user can change the size of the marker icon.
- Font sizes automatically increase on retina displays.
- The user can change some more settings via the browser, e.g. decay time for tracks (and inactive users), timezone offset (used to split tracks into days),..