Merge branch 'master' into fix/missing-defined-variables

src/test/java/com/dabsquared/gitlabjenkins/trigger/handler/merge/MergeRequestHookTriggerHandlerImplTest.java

@@ -28,7 +28,7 @@
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.List;
-import java.util.concurrent.ExecutionException;
+import java.util.concurrent.atomic.AtomicReference;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.lib.Constants;