reindex only newly added indexes.
Fix ZeroDivisionError in variation calculation for DuplicateAnalysis.
reindex only newly added indexes.
Fix ZeroDivisionError in variation calculation for DuplicateAnalysis.
Merge branch 'hotfix/next' of https://github.com/veroc/Bika-LIMS into hotfix/next
Merge pull request #1322 from veroc/hotfix/next

reindex only newly added indexes.