Remove trailing whitespaces
Fix missing toString method of aid class
Change setting of compatibility to javaCompile
Restructure dependencies so that JC-SDK is optional

- move the addition if JC-SDK components as dependency as far as possible
  back in the conversion process
- check for availability of api.jar and replace with jcardsim if not
  found
Add filtering for javacard api if jcardsim is used
Update readme to contain jcardsim related info
Drop test which can't succeed any more
Merge pull request #16 from fidesmo/feature-introduce-jcardsim

Add various improvements