clean up built webpack chunks in dev environment with the webpack AggressiveMergingPlugin
clean up built webpack chunks in dev environment with the webpack AggressiveMergingPlugin

GMOD/jbrowse,nathandunn/jbrowse,GMOD/jbrowse,nathandunn/jbrowse,GMOD/jbrowse,GMOD/jbrowse,GMOD/jbrowse,nathandunn/jbrowse,nathandunn/jbrowse,nathandunn/jbrowse