Allow initialising GMaps without new.

Ran into weird error, was trying to debug it and actually the issue was in no `new` stuff.
Added styled map support for static maps.
Serialize remaining marker properties instead of discarding them.
added example for styled static map
Fixed name display for styled maps

StyledMapType takes an object { name: ... } as second paramter, see https://developers.google.com/maps/documentation/javascript/styling#creating_a_styledmaptype
Allow zoom: false to disable default zoom in static map request
Clarify that zoom may be set to false
Merge pull request #230 from paulmillr/patch-3

Allow initialising GMaps without new.
Merge pull request #239 from koenpunt/static-map-styles

Added styled map support for static maps.
Merge pull request #248 from gka/patch-1

Fixed name display for styled maps
Merge pull request #250 from bjudson/master

Allow no zoom for static map request
gmaps.js v0.4.6
gmaps.js v0.4.6