build-helper-maven-plugin-3.6.0-160000.2.2

- Upgrade to upsteam version 3.6.0
  * New features and improvements
    + Provide the Mojos logger as variable in the Interpreter context
    + Get rid of ArtifactRepository - ${localRepository}
    + Added a property name to the "sources" parameter for CLI usage
    + Add skipIfMissing flag
    + Add skip flags
    + Deprecate maven-version goal
    + Deprecate remove-project-artifact goal
    + Parallel execution of uptodate-properties
  * Bug Fixes
    + Fixes #108, released-version does not detect version if maven
    repository is not configured to look for snapshot
    + Add missing whitespace to output of reserve-network-port
    + Use UTF-8 for the pom

- Rename package:
  maven-plugin-build-helper -> build-helper-maven-plugin
  + corresponds to the source name

- Build javadoc with source level 8

- Upgrade to upstream version 3.2.0
  * Integrated pull requests:
    + Set a property based on the maven.build.timestamp
    + rootlocation does not correctly work
    + Add profile to avoid showing warnings for maven plugin
    plugin goals not supported in m2e
    + Site: Properly showing 'value' tag on regex-properties usage
    page
    + Integration test reserve-ports-with-urls fails on windows
    + IllegalArgumentException when using goal released-version with
    maven 3.6.2
    + NPE in 3.1.0-SNAPSHOT when no qualifier is present
    + parse-version goal fails when build number is greater than
    Integer.MAX_VALUE enhancement
    + Create directory before writing file in reserve-network-port
    bug
    + released-version does not allow access to the build number
    + Qualifier Prefix

- Initial packaging of maven-plugin-build-helper 1.9.1