Merge pull request #5 from ufo-kit/continuous-backprojection

Rename offset to angle_offset in reconstruction
Fix absorption correction
Merge pull request #6 from ufo-kit/fix-absorption-correction

Fix absorption correction
Enhance GUI

Added imagej viewer, logger window and correction.
Merge pull request #8 from ufo-kit/add-logging

Enhance GUI
Sync with ufo-filters and change in zeropadding
Simplify code
Fix #10: allow custom configuration file

This is a deeper change and requires changes of the reco files, e.g. all tomo
related options are in the [tomo] section. [fbp] and friends are gone.
Set lamino arguments properly
Merge pull request #11 from ufo-kit/fix-lamino-parser

Set lamino arguments properly
Fix #12: parse lists of values correctly
Fix lamino reconstruction with ufo-core master
Make sino generation usable programatically
Merge pull request #13 from ufo-kit/make-sino-generation-importable

Make sino generation usable programatically
Fix problem with ufo-core HEAD
Enable multipass execution

for memory savings
Merge pull request #16 from ufo-kit/big-sinos

Enable multipass execution
Simplify multipass execution
Move range_from to util
Allow from:to:step specification of sinograms