v2.0.0

sbt-cpd 2.0.0 is a major update that brings the plugin up to date with the current sbt plugin best practices.

Improvements/fixes include:

• Support for sbt 1.0.
• Rename of project from cpd4sbt to sbt-cpd and artefact to com.github.sbt/sbt-cpd.
• Plugin is now an AutoPlugin and doesn't require importing of settings.
• Update PMD to 5.8.1.
• Support for languages recently added to PMD.
• Removal of cpd configuration.