[vcpkg] Implement --editable#12200

Merged

ras0219-msft merged 3 commits intomicrosoft:masterfrom

ras0219:dev/roschuma/editable

Jul 7, 2020

Commits on Jul 1, 2020

[vcpkg] Implement --editable
ras0219-msft
committed

Commits on Jul 3, 2020

Merge branch 'master' of https://github.com/microsoft/vcpkg into dev/roschuma/editable
ras0219-msft
committed

Commits on Jul 7, 2020

[vcpkg] Address CRs
ras0219-msft
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