____________________________________________________
  /___________________________________________________/
 /_____________ Styles Marker Cluster: ______________/
/___________________________________________________/
( http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclustererplus/docs/reference.html#ClusterIconStyle + ajustements min/max)

[{
	couleur: 'rose',
	url: 'typo3conf/ext/e_maps/Resources/Public/Icons/0.png',
	height: 37,
	width: 32,
	anchor: [0, 0],
	textColor: '#ffffff',
	textSize: 10,
	min: 0,
	max: 3
},
{
	couleur: 'bleu',
	url: 'typo3conf/ext/e_maps/Resources/Public/Icons/1.png',
	height: 37,
	width: 32,
	anchor: [16, 0],
	textColor: '#ff0000',
	textSize: 11,
	min: 4,
	max: 6
},
{
	couleur: 'vert',
	url: 'typo3conf/ext/e_maps/Resources/Public/Icons/2.png',
	height: 37,
	width: 32,
	anchor: [16, 0],
	textColor: '#ffffff',
	textSize: 12,
	min: 7,
	max: 15
},
{
	couleur: 'rouge',
	url: 'typo3conf/ext/e_maps/Resources/Public/Icons/3.png',
	height: 37,
	width: 32,
	anchor: [16, 0],
	textColor: '#ffffff',
	textSize: 12,
	min: 16
}]