Merge branch 'cleanup-behave-output' into behave-tests-refactoring
Move api subprocess logic into class

@maxfliri
Improve wait for api start during test initialisation

@maxfliri
Move Api class to support package
Merge branch 'master' into behave-tests-refactoring
Merge pull request #84 from alphagov/behave-tests-refactoring

Behave tests refactoring