[FEATURE] add mapping with dynamic templates

now it is possible to add mappings with dynamic templates

http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/mapping-root-object-type.html#_dynamic_templates

$mapping->addDynamicTemplate('dimensions', array(
	'path_match' => '__dimensionCombinations.*',
	'match_mapping_type' => 'string',
	'mapping' => array(
		'type' => 'string',
		'index' => 'not_analyzed'
	)
));