various updates 1) fountains and nightclubs.

Adding updates for fountains and nightclubs.

Had to revert the parking area for sports clubs as other parking areas may have clashed. 

1) Adding fountain icon and rendering

Added the fountain icon to the map

https://trac.openstreetmap.org/ticket/4573
and
https://trac.openstreetmap.org/ticket/2381

image from slightly modified pic from wiki

http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dfountain

2) Added nightclub icon and rendering

https://trac.openstreetmap.org/ticket/2697

used one of the attached svg files this in the ticket