Start integration tests for mongo data; create integration test data definition and csv and incorporate its load into mongo_query_test.clj
Adds an integration_test dataset, which is simple and designed to enable
easy, deterministic integration testing between the modules that accept
incoming parameters and the modules that pass queries to the database.

Adds an in-progress, incomplete set of regression tests against the Query and Data modules
and their interaction with MongoDB.
Pass callback name through to JSONP view
Added integration test for JSONP callback
Test JSON, XML, and JSONP responses
Return 400 response code if query is invalid
Run all tests during integration
Validate that limit has a maximum of 1000

Also, and bigger, moved all pre-Mongo validation into a separate namespace
Merging Clinton's parallel loader changes
Merge pull request #27 from marcesher/master

Mongo Integration Tests