Merge pull request #13 from apache/jdk15-bytecode-support

Upgrade Dependency analyzer for jdk 15
tree: ab06c43a8589f4bd230ce11b59ad5c3ad34c1af1
  1. src/
  2. .gitignore
  3. Jenkinsfile.groovy
  4. LICENSE
  5. NOTICE
  6. pom.xml
  7. README.md