ENH: added support for QA web form
BUG: fixed initialization of the user name
ENH: disabled reading settings file - init per session to accommodate multiple readers using the same machine
BUG: reversed color map was used
ENH: restructured to work with reconstructions

* internals updated and simplified
* no dependency on pydicom
* support of json inputs
ENH: archive fixes
ENH: various fixes
ENH: fix initialization of the label map display node
ENH: adding some documentation notes
ENH: missing explanation added
ENH: save segmentations using unique names

On reopening of the scene, the latest segmentation prepared by the active user
is reloaded. On save, a new segmentation is always created.
ENH: started adding LUT, not functional
ENH: moving functionality out of helper

Helper class was not properly loaded when pointed to in the binary build...
BUG: fixing the lookup of the volume node
BUG: do not rely on storage node file name for label lookup
BUG: fix saving of labels

The case where volumes would have non-unique names was not accounted for.
Uniqueness has been enforced by including the series number into volume name.
ENH: enable QA form
ENH: adding widget for lesion assessment
BUG: fix the issue of groups being deallocated
ENH: adding functionality for formalized review

Not finished, merging to work on improving the implementation and bug fixes
ENH: use model/view instead of custom table class