Adds MiniTest and friends to the bundle.
Adds helpers for the specs and VCR.
Starts to test Movies. Tests it can get cinema details.
Adds a test for the detailed version of the cinemas call.
Tests the Movie showings data structure.
Adds the VCR cassettes.

The test suite should check it's functionally correct against these, not that the
remote web service is still acting the same as that is out of my control.