ENH: Update MultiVolumeImporter: Better support for 4D Cardiac CT

This commit updates MultiVolumeImporter plugin to include an improved
handling of certain types of 4D Cardiac CT.

Thanks to @lassoan for identifying the use case and contributing the patch.

$ git shortlog 669594f..2ebb4d2 --no-merges
Andras Lasso (1):
ENH: Allow loading of multi-volumes when multiple series are selected in the DICOM browser

Andrey Fedorov (1):
BUG: re-enable parsing multi-series with the IPP+AcquisitionTime strategy

From: Andrey Fedorov <andrey.fedorov@gmail.com>

git-svn-id: http://svn.slicer.org/Slicer4/trunk@25422 3bd1e089-480b-0410-8dfb-8563597acbee