Stub requests for `search.dev`, rather than `search.dev.gov.uk`
Get rid of spurious .gov.uk domains
Generalise search root paths in tests
Load .env before trying to use it in Rakefile
use app domain env var in integration tests

to remove hardcoded domains
Merge pull request #14 from theodi/bugfix-get-them-tests-passing

Bugfix get them tests passing