REF: make ccalendar self-contained#35119

Merged

mroeschke merged 6 commits intopandas-dev:masterfrom

jbrockmendel:ref-ccalendar-contained

Jul 7, 2020

Commits on Jun 29, 2020

Commits on Jun 30, 2020

Commits on Jul 4, 2020

Merge branch 'master' of https://github.com/pandas-dev/pandas into ref-ccalendar-contained
jbrockmendel
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