BUGFIX: replacing height % for px as the map doesn't show when height is a %
BUGFIX: replacing height % for px as the map doesn't show when height is a %


git-svn-id: fee1b482da2469087c8e3057a2253351dd7574fc@97615 467b73ca-7a2a-4603-9d3b-597d59a354a9

lerni/silverstripe-googlemapselectionfield,lerni/silverstripe-googlemapselectionfield,lerni/silverstripe-googlemapselectionfield