Review paper. Add conclusion.
Tweak according to PR comments
Merge branch 'master' into edit/review_conclusion

Conflicts:
	skimage/usage-research.txt
Update Stefan's affiliation
Merge branch 'master' into edit/review_conclusion

Reorder authors by approx. time of first contribution to paper

Conflicts:
	skimage/skimage_paper.rst
Clarify what was meant by mundane
Minor updates according to PR feedback
Merge pull request #24 from stefanv/edit/review_conclusion

Review paper. Add conclusion.