Fix #145 (Define 2 and more Xtend classes within Spec)
Merge pull request #146 from borisbrodski/fix_145_two_classes_in_spec

Fix #145 (Define 2 and more Xtend classes within Spec)
Use feature aware linker so args references in feature steps are built properly.
Merge pull request #147 from timw/bugfix/feature-args

Fix use of args in feature steps