Sync with Salesforce#895

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gregoriofs wants to merge 9 commits intoWeAllCode:mainfrom

gregoriofs:feature/simple-salesforce1

Commits on Jul 27, 2021

Added students,guardians and mentors to salesforce
gregoriofs
committed

Commits on Jul 30, 2021

Core Models Complete
gregoriofs
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Commits on Aug 6, 2021

Completed model migratiosn and tests
gregoriofs
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Commits on Aug 16, 2021

Adjusted tests and code to sb4 sandbox
gregoriofs
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