Move the junit feature
Update steps to Aruba steps
Move all the required junit files into the Feature file
Add required junit steps
Update output file location
Escaping is not necessary for the stderr
Get steps to pass
Remove 'empty tmp directory' step as it is not necessary
Move JUnit helper method in a World module
Replace JUnit time with a fixed value
Update steps format and expected output
Merge pull request #551 from jimvm/move_junit_feature

Move junit feature