Better to not unmarshal the schema dependent source.
Add _analyzer, _parent, _routing, _size, _source and _type to MappingOptions
Merge pull request #135 from dpetek/hotfix-mappingOptions

Add _analyzer, _parent, _routing, _size, _source and _type to MappingOptions
Merge pull request #133 from birkirb/master

Better to not unmarshall the schema dependent source.