Add Cucumber, Aruba
Add Cucumber, Aruba config to use with summy app

See https://gist.github.com/ramontayag/1045123
Enable Aruba-driven RSpec tests within dummy app

See https://github.com/cucumber/aruba#use-a-different-working-directory
Set Cucumber as Travis-ci main concern
Fix Travis build, increase Aruba patience before RSpec calls

See https://github.com/cucumber/aruba#increasing-timeouts
Ignore dummy app (`spec/dummy`)
Refactor issue #8 specs

The dummy app is now automatically generated in `spec/dummy` and
the `test/dummy` app can be safely deleted.
Refactor: remove no longer used `test/dummy` app
Ensure Travis-ci uses the newly created dummy app
Enable Cucumber rake task

Simplify Travis-ci setup
Revert "Ignore dummy app (`spec/dummy`)"

This reverts commit fd35f81be4cbdbf663768d3dae8f399804f8ed4b.
Add the original dummy app back, but in `spec/dummy`

I copied there the dummy app which was initially generated with the gem.
Ignore dummy app (`spec/dummy`)
Add Development section to READM

Fixes #1
Remove the README Help Wanted section
Bump version number
Merge branch 'fix-missing-test-framework'