Upgrade to latest core version and fix Hamcrest dependency foobar.
Fix Checkstyle and PMD warnings.
Implement SCM checkout method.
Implement workspace cleaning and abort method.
Suppress line length check for long method signatures.
Fix comment.
Add tests for logging.
Suppress line length warning and move method up in file.
Test error aspects of clean workspace with Powermock.
Comments constants and use better names.
Test create empty change log.