Slicer3:3.6 Final Issues

Final punch list for slicer 3.6 release:

• getting BRAINS tests to pass (Hans is working on it)
• editor volume merge feature clarification (Steve meeting Sonia June 2)
• VTK GPU ray-cast clipping issue (Julien says a fix is close)
• widget issues (Nicole putting fixes in SlicerVTK)
• tracking down what is making that crash on Mac OsX when several PET volumes are loaded into Slicer (Wendy).
• making sure mouse-modes work same in 3D/2D (Wendy and Nicole) close!
• finishing up the DICOM file copy on remote upload, also close (Wendy)