Add a parameter to POM to change distribution server

[Andrey Somov]

Allow flexible distributionManagement to allow users to build and deploy a custom SnakeYAML

[Andrey Somov]

Use properties:

 <distributionManagement>
        <repository>
            <id>sonatype-nexus-staging</id>
            <name>Nexus Release Repository</name>
            <url>${release.repo.url}</url>
        </repository>
        <snapshotRepository>
            <id>sonatype-nexus-snapshots</id>
            <name>Sonatype Nexus Snapshots</name>
            <url>${snapshot.repo.url}</url>
            <uniqueVersion>false</uniqueVersion>
        </snapshotRepository>
    </distributionManagement>

[Andrey Somov]

It will be delivered in version 1.17