Add warehouse.search with zero downtime reindex support
Start working on a search view to return results
Send the index page search bar to the search view
Updated to match all docs on empty query
Added logging for elasticsearch

We may want to disable elasticsearch.trace once search developement is
done.
Updated so exact matches are boosted and the first result.
Added search pagination
Added myself to the authors list
Depend on the elasticsearch library
Handle the new requirement for a search configuration section
Test the search implementation
Mention search in the README.rst
Merge pull request #138 from dstufft/search

Implement a basic search using ElasticSearch