vcpkg/scripts/testing/integrate-install, branch update-shapelib-150

vcpkg/scripts/testing/integrate-install, branch update-shapelib-150 Forked from https://github.com/microsoft/vcpkg [vcpkg] Fix MSBuild regressions #12062 and #12086. (#12257) 2020-07-08T22:08:17+00:00 ras0219 533828+ras0219@users.noreply.github.com 2020-07-08T22:08:17+00:00 fd4a08806fd88299814aac886e57708ade1d7398 This PR also renames the VcpkgUserTriplet MSBuild variable to VcpkgTriplet to minimize user confusion compared to previous practice and documentation. Co-authored-by: Robert Schumacher <roschuma@microsoft.com>

This PR also renames the VcpkgUserTriplet MSBuild variable to VcpkgTriplet to minimize user confusion compared to previous practice and documentation.

Co-authored-by: Robert Schumacher <roschuma@microsoft.com>