wip: fixing volume orientation

DCM format:
take into account volume orientation
todo: fill 2 other directions
wip: cleanup

slices should be correctly and consistently created
wip: getting there...
save wip

axial slice is -90 degrees along z axis for some reason
wip: playing around

todo what is slice in scan direction is not a square?
wip: some testing with nrrd x != y != z
wip: backup
wip: sud module working but not full brain
textures look nice

todo: in the 3d views the textures/slices appear to be messed up
wip: test no texture mapping
wip: slices are build along right axes but order is messed up
3d slice orientation/position looks correct
wip: fixing 2d renderers
wip: slice 2d
children[0] -> xyz = 0

not children[2] -> xyz = 0 anymore
wip: some weird stuff happening
wip: looks like slicer
wip: allow user to switch between radiology and neurology 2d slices conventions
colors match

todo: fix 3d and first container should be coronal -> sagittal -> axial
wip: scrolling directions correct

todo:
volume rendering bug
X -> coronal, Y -> sagittal, Z -> axial
cleaning -> more functions, compilation, store required variables in MRI or volume or slice
support all formats