v0.4.0 ld-signatures-java

• Rename member variable. 4af48fe9746165d
• Add BBS+ JSON-LD context. 4aa892eca4405f7
• Fix BbsBlsSignature2020 term. b943a184e2c94a3
• Fix redefined JSON-LD term. 0d2b42210a631dd
• Reduce dependency on nimbus. 32030880b82f475
• Use different class for BLS key types. cde185432a7f4c8
• Move basic crypto functionality into key-formats-java. c492d93db1879e6
• Work on supporting BBS+ signatures. 1fe67b4c7a2b7f1
• Upgrade to titanium-json-ld 1.0.0. 5704f930d71a235
• Use standard document loader for verifying proof values. b341de2855f004a
• Add security-bbs-v1.jsonld. da2ea20b56ca5a6
• Use standard document loader for proof values. 25e0e7141fa3a98
• Add support for Ed25519Signature2020. d3b1b94f0f185bd
• Small change to adding default contexts. 2dfa1c7023166a2
• Switch to security-vocab version 3. f3a5c96b5855f22
• Use changed API for normalization. 94d6efea8b5ccb6