*: document mercurial dependency for v0.9+ operators#1683

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estroz merged 2 commits intooperator-framework:masterfrom estroz:doc-mercurial-operators

Jul 16, 2019

Commits on Jul 16, 2019

README.md,doc/user-guide.md: add mercurial v3.9+ dependency for new operator projects
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committed
CHANGELOG.md: add mercurial documentation addition
estroz
committed