BUG: enable parsing of multi-series multivolumes by AcquisitionTime tag


git-svn-id: http://svn.slicer.org/Slicer4/trunk@22274 3bd1e089-480b-0410-8dfb-8563597acbee
BUG: modify the process of populating loadables table in DICOM widget to ensure that each loadable is added only once by selecting relevant loadables before adding them to the table; resolves issue #3282


git-svn-id: http://svn.slicer.org/Slicer4/trunk@22275 3bd1e089-480b-0410-8dfb-8563597acbee
ENH: added progress event to SeedStreamlinesInROI

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22276 3bd1e089-480b-0410-8dfb-8563597acbee