Dnssecjava Versions Save

• Requires Java 8
• Disable DSA (3) and DSA-NSEC3-SHA1 (6) algorithms by default (RFC 8624)
• Add support for ECC-GOST (12) and EdDSA (15, 16) algorithms, see #21
• Add support for async resolving using dnsjava 3, #23

Binaries are available on Maven Central.