2.4.0
- Replace deprecated string:tokens/2
- Replace deprecated string:tokens/2 and string:strip/3
- Merge .appup.pre.src & .appup.post.src files into the generated appup
- Drop unknown behaviours when generating appup
- Add documentation for dependency custom appup files
- Add support of custom branches on relapp tests
- Fetch dep app info from all_deps instead of parsed deps