15 adding kill task

[UTNAK]

Checklist before submitting a merge request

• [X] I have reviewed CONTRIBUTING.md document
• [X] All commits have been signed-off for the Developer Certificate of Origin. See here.
• [x] I have added my contribution to CHANGELOG.md
• [X] I have documented my code in the OML Vision Docs

Description of contribution

add a gradle task that execute a command below which forces to stop fuseki server.

 kill -9 $(lsof -t -i:3030) 

below codes are added in build.gradle file

task stopKillServer(group:"vision") {
    doLast {
        def stdout = new ByteArrayOutputStream()
        exec{
            // for mac
            commandLine  "sh", "-c", "kill -9 \$(lsof -t -i:3030)"
            standardOutput = stdout;
        }
        println "Output: $stdout"

    }
}

Testing performed

• [X] I have added unit tests to cover additional functionality

How to Test Expected functionality changes

• [X] I have added the steps needed to test these changes

Run tasks using oml-vision

1. Run build
2. Run load
3. Run stopKillServer
4. Verify that fuseki server is terminated. (access to http://localhost:3030)