Create Index method added
IndexDefintion DTO created for settings etc and other index definitions
Version 1.0.18 2014.11.21

- support for Elasticsearch Core Types mappings as Attribute definitions
(string, float, double, byte, short, integer,long, date, boolean, binary)
- support for  similarity mappings
- support copy_to mappings
- support fields mappings (multi-fields)
- support CreateIndex simple, nested or child/parent document with or without routing
- support for auto init mapping, simple, nested or child/parent document with or without routing
Merge branch 'CreateIndex'