Cleanup and Standardization of CSProj files.

[cleemullins]

I've done the following in this build:

1. Moved duplicate attributes into the common file.
2. Test projects no longer generate docs.
3. Test projects no longer generate NuGet Packages.
4. Reverted doc file generation to defaults (which is correct anyway).
5. Cleaned up unexpected warning / settings.
6. Removed PackageId and AssemblyName and DefaultNamespace attributes that are not needed (defaults are correct)

The resulting .csproj files are quite a bit cleaner now than they were. There's still room for improvement...

[drub0y]

Can/should you move this <AssemblyOriginatorKeyFile> up to DirectoryBuild.props as well?

[cleemullins]

I don't think so, as the various Integration packages would then have the wrong paths. Likewise, I don't want to strong-name the test projects.

[coveralls]

Pull Request Test Coverage Report for Build 47696

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.01%) to 55.845%

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Files with Coverage Reduction	New Missed Lines	%
/libraries/Microsoft.Bot.Builder/Integration/BotFrameworkOptions.cs	3	63.64%

Totals
Change from base Build 47688:	0.01%
Covered Lines:	5508
Relevant Lines:	9863

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💛 - Coveralls