FireVoxel Build 325 is released.

1. FLEXR-Motion Correction: implemented option to consider first N timepoints static (without motion).  Often there is a very little contrast in the initial timepoints, so registration individually is challenging.
2. Replaced "Save RAW" menu and dialog items to "Save Image".
3.Implemented Initial Undo\Redo functionality to cover Paintbrush painting\erase. Undo\Redo buttons in the main toolbar.
4. Implemented the toolbar Undo\Redo button status  update (graying) depending on whether any Undo\Redo records are available.
5. Added keyboard accelerators "Ctrl+Z" and "Ctrl+Y" for Undo\Redo respectively
6. Added unit test for Visceral\Subcutaneous fat segmentation functionality from Abdominal CT.