Depend on ES client 1.0
Assorted updates for ES Java client 1.0 API
rest.response/ok? => rest.response/created? (adapt to ES 1.0 API changes)
Use created?
Native API changes
ok? => created? in a few more places
Add response/ok? back for better backwards compatibility
Adapt to count, delete-by-query and validate API changes, closes #71

See http://www.elasticsearch.org/guide/en/elasticsearch/reference/1.x/_search_requests.html
Found and not found have been unified

See http://www.elasticsearch.org/guide/en/elasticsearch/reference/1.x/_return_values.html
Introduce response/found?
Fix query validation request
Better backwards compat
Update percolator request path