elasticsearch/elasticsearch — pull request #4986 by dadoonet (2014-02-02 08:47:31+00:00)
Title: Support externalValue() in mappers

Some mappers do not support externalValue() to be set. So plugin developers can't use it while building their own mappers.

Support added in this PR for:

* `BinaryFieldMapper`
* `BooleanFieldMapper`
* `GeoPointFieldMapper`
* `GeoShapeFieldMapper`