Added markers property to Map.
Added markers property to Map.

mbertheau/django-gmapi,mbertheau/django-gmapi,atuljain/django-gmapi,mbertheau/django-gmapi,routershare/django-gmapi,routershare/django-gmapi,flebel/francoislebel-django-gmapi,machtfit/django-gmapi,flebel/francoislebel-django-gmapi,machtfit/django-gmapi,machtfit/django-gmapi,atuljain/django-gmapi