Added date hierarchy to cell samples list display.
Added date hierarchy to AssayChipReadouts and AssayPlateReadouts
Changed AssayStartDateTime and ReadoutStartDateTime to Date fields instead of DateTime fields.
Changed 'Device' to 'Plate' in Assay Plate Results and Readouts.
Changed PlateID /Barcode to Raw_ID field in Assay Plate Readout
Reorganized the Assays section of the Admin Home Screen