Build Branch: vs2017-rtm

Internal ID: FSharp-Microbuild-Dev15-RTM_20170818.1
Internal VS ID: d15svc.27004.2002

fix-resource (dotnet#3690)

prepare FCS release with this feature

bump FCS version (dotnet#3676)

* bump version

* Update RELEASE_NOTES.md

Internal ID: FSharp-Microbuild-Dev15-RTM_20170809.1

Internal VS ID: d15svc.26730.08

Internal ID: FSharp-Microbuild-Dev15-RTM_20170728.5

Internal VS ID: d15svc.26730.3

Internal ID: FSharp-Microbuild-Dev15-RTM_20170818.1

Internal VS ID: d15rel.26906.01

Internal ID: FSharp-Microbuild-Dev15-RTM_20170926.5

Internal ID: FSharp-Microbuild-Dev15-RTM_20170809.1

Internal VS ID: d15rel.26823.01

Update F# core nuget version no. (dotnet#3401)