Improve genome cleanup

Author: bbimber

SequenceAnalysis/src/org/labkey/sequenceanalysis/pipeline/CacheGenomePipelineJob.java

@@ -1,5 +1,6 @@
 package org.labkey.sequenceanalysis.pipeline;
 
+import org.apache.commons.io.FileUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.jetbrains.annotations.NotNull;
 import org.labkey.api.data.Container;
@@ -28,6 +29,7 @@
 import org.labkey.api.view.ViewContext;
 
 import java.io.File;
+import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;