Don't acquire flat in align_rotation_axis
Add test for flat corrected axis alignment
Remove side effects from align_rotation_axis
Add frame consumer to align_rotation_axis
Merge pull request #246 from ufo-kit/unify-flat-correction

Refactor align_rotation_axis
EdmundOptics, small final corrections
Connect all roots and all their inputs
Add flat corrected UFO-based backprojection
Remove slice initialization
Crop slice in the framework
Merge pull request #247 from ufo-kit/update-ufo-backprojection

Update ufo backprojection
Merge pull request #248 from ufo-kit/EdmundOptics

Edmund optics, small final corrections
Fix PyplotViewer iterable check

Quantities act like iterables even when they are not.
That caused problems by isintance(foo, collections.Iterable)
tests.
Allow concert binary to start without a session
Add cross-correlation tomographic axis finding
Add tomographic axis finding test
Merge pull request #251 from ufo-kit/cross-correlation-axis-finding

Cross correlation axis finding
Use q.hour instead of q.h

Pint changed h to Planck's constant in version 0.4.2, see:
https://github.com/hgrecco/pint/issues/82
Update CHANGES for 0.8
Release version 0.8.0