[Tagging] RFC - award:blue_flag=yes and more

[Johan Jönsson]

A proposal on how to tag if a beach got a blue flag and also how to add 
information how the bathing water quality is according to the EU.

http://wiki.openstreetmap.org/wiki/Proposed_features/Beach_and_bathing_water_qu
ality

This have been dicussed before in july.
See http://wiki.openstreetmap.org/wiki/Proposed_Features/Blue_flag
http://lists.openstreetmap.org/pipermail/tagging/2012-June/010664.html
http://lists.openstreetmap.org/pipermail/tagging/2012-July/010786.html