Tests are passing, apart from a couple which didn't work before:
* test_functional.py -> functional/test_package.py (3 failures in 4)
* functional/test_dataset_map.py (1 fail in 1)
There may be some code errors still untested.
Renamed Validator -> Validators to make more sense.
Search results coming from the default CKAN search (which are received
via the `search` method of the `IPackageController` interface) are
filtered to only contain the ones intersecting the provided bbox.
The search form temporarily shows a text field, which will be replaced
by a nice map widget.