Review and update THIRD-PARTY-NOTICES.TXT

[leecow]

Review and update repo THIRD-PARTY-NOTICES.TXT as appropriate. Work should be completed for Preview 7.

[dagood]

I wrote a scraper that merges in extra sections from various repos, and it triples the size of the TPN file we have right now. I haven't looked too deeply at it, but it seems to have copied things over with reasonable formatting. (Formatting is different between repos and even within each TPN file, so it's not pretty.)

Here's the file: https://gist.github.com/dagood/73e517568cbef760e3781af54c5bc971
Diff: https://gist.github.com/dagood/d5f3abff3eec3f222def369798198ac3

List of new sections and which TPN file they come from, and the repos I pulled from: https://gist.github.com/dagood/83233be851751c75e320359fb5858d14

An issue here is that Core-Setup is responsible for putting down "the" TPN at e.g. C:\Program Files\dotnet\ThirdPartyNotices.txt. Additional runtimes and the SDK don't put down their own TPNs, so it seems to fall to Core-Setup to include everything.

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@leecow, @richlander, is this expected? Is the above TPN a reasonable change?

/cc @dleeapho

[leecow]

I don't know enough to have an informed opinion on if this satisfies requirements. The formatting seems fine. It does seem strange to have Asp.Net, DotNetTools, IIS-Common, IIS-Setup, MSBuildLocator and dotnet-install.ps1 (.sh is not included). Do we typically include our own components in the TPN?

[dagood]

ASP.NET comes from CoreFX adding it here: https://github.com/dotnet/corefx/pull/38324/files, DotNetTools from https://github.com/dotnet/roslyn/pull/29403/files#diff-fa732c8fac311b142a7fa1c4f3fde1a9, and so on... can trace it back from the data in the third link. Everything added is in at least one TPN in some repo.