Change log v2

###2.1.2 Now default is not to randomize markers. fix leaking settings when redefining builders or models.

###2.1.1 real method to fit bounds for poly(line,gon)

###2.1 create infowindows on marker click.

Beware to remove @bind_infowindow() if you did override create_infowindow

###2.0.5 shadow in marker builder

###2.0.4 removeMarkers in handler

###2.0.3 updated js with previous changes (were only made in coffee)

###2.0.2 changed bound.extend method to accept array, object, or position

###2.0.1 fix a bug in map initializer