this branch should be 0.1.x

0.1.x is the Jersey compatibility branch. This branch follows the old
code base without any major API changes.
more specific about mediatypes that can be handled

if multiple transformers are in the same pipeline, it’s not always the
right one which gets selected because the produces annotation was being
ignored, the transformers were too broad in what they can handle and
the html transformer in particular didn’t even check if a template was
present…which is a requirement.
enforce style guide