Bugfixes for manifest parsing and multi-release jars.
- Handle LF, CR, or CR/LF line ending in manifest files (improves Windows / Mac OS X compatibility).
- Treat manifest attribute keys as case insensitive, as per spec.
- Treat
META-INF
as unversioned in multi-release jar. - Require
Multi-Release: true
in manifest file for jarfile to be treated as multi-release.