Add mapping configuration

[alexander-schranz]

As the most used options will be analyzer, boost and index for the end user they will be available under the configuration of the property directly all others will be in the options configuration and will not being validated as there can be added new ones by elasticsearch.

List of available parameters by mapping types

Name	Used in all (except binary)	Usages	text	keyword	number	date	boolean	binary
analyzer	-	1	X
boost	Yes	5	X	X	X	X	X
eager_global_ordinals	-	2	X	X
fielddata	-	1	X
fielddata_frequency_filter	-	1	X
fields	-	2	X	X
include_in_all	-	4	X	X	X	X
index	Yes	5	X	X	X	X	X
index_options	-	2	X	X
norms	-	2	X	X
position_increment_gap	-	1	X
store	-	6	X	X	X	X	X	X
search_analyzer	-	1	X
search_quote_analyzer	-	1	X
similarity	-	2	X	X
term_vector	-	1	X
doc_values	-	5		X	X	X	X	X
ignore_above	-	1		X
null_value	-	4		X	X	X	X
normalizer	-	1		X
coerce	-	1			X
ignore_malformed	-	2			X	X
format	-	1				X

Usage

pucene:
    indices:
        my_index:
            mappings:
                my_type:
                    properties:
                        title:
                            type: "text"
                            index: true
                            analyzer: "standard"
                            options:
                                fields:
                                    raw:
                                        type: text
                                        index: false
                        created:
                            type: "date"
                            options:
                                format: "Y-m-d"