[1.6>master] [MERGE #3003 @tcare] Add support for VS 2017 Preview in msbuild path locator
[1.6>master] [MERGE #3003 @tcare] Add support for VS 2017 Preview in msbuild path locator

Merge pull request #3003 from tcare:msbuild

mrkmarron/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore