Create module to find outdated dependencies of maven projects

[csokol]

Description

Use maven versions plugin to find outdated java dependencies in maven projects.

This partially addresses #87

Type of change

• New feature (non-breaking change which adds functionality)

Toolchain

• Java

How Has This Been Tested?

Build the docker image:

docker build . -t hawkeyesec/scanner-cli:maven-deps

Then run it against a java project:

curl https://start.spring.io/starter.tgz \
         -d type=maven-project \
         -d baseDir=spring-boot-java-maven \
         -d language=java | tar -xzvf -

cd spring-boot-java-maven
cat << EOF > .hawkeyerc
{
  "all": true,
  "modules": ["java-outdated-dependencies"],
  "json": "results.json"
}
EOF

docker run --rm -v /Users/csokol/.m2/:/root/.m2 -v $PWD:/target hawkeyesec/scanner-cli:maven-deps

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes