Make archive GET return the entity id in the response header.
Merge pull request #162 from frankban/entity-id-header

Make archive GET return the entity id in the response header.
Adding Metadata to search results.

Search results can now have metadata attached to them using the same mechanism
as the /meta handler uses. The change also includes:
  * Some cleanup of the elasticsearch interface
  * Search Time and Total in search response
  * More tests
Merge pull request #159 from mhilton/search-metadata

Adding Metadata to search results.

Search results can now have metadata attached to them using the same mechanism
as the /meta handler uses. The change also includes:
  * Some cleanup of the elasticsearch interface
  * Search Time and Total in search response
  * More tests