* Use "Given" instead of "And" as first scenario step
* Remove unnecessary step
The following step already invokes this step
* Remove setup in feature that doesn't do anything
As this referenced "i18n-test-app", but later we run
"i18n-mixed-sources", these steps weren't doing anything.
* Avoid referencing the same fixture twice
The step "the Server is running at" invokes the "a fixture app" step,
followed by "the Server is running" step.
