WINDUP-380: A little bit cleanup for groovy part
WINDUP-380: Add tests for the groovy part
Merge pull request #352 from mbriskar/WINDUP-380

Windup 380: Add tests for the groovy part
WINDUP-331: Fail gracefully on unreadable archive
Merge pull request #351 from mbriskar/WINDUP-331

WINDUP-331: Fail gracefully on unreadable archive
WINDUP-389: Variables is searching the stack in the wrong order (returning the bottom stack frame instead of the top one)
Merge pull request #356 from jsight/variables_fix

WINDUP-389: Variables is searching the stack in the wrong order (returni...
--output directory should default to --input value(.report)