* Creating and publishing '*.symbols.nuget' to the blob feed.
* Reverting 'generatenupkg' methodology.
* Fixing formatting...
* Overwrite should = 'false'
* Second draft - Creating and publishing '*.symbols.nuget' to the blob feed.
* Fixing a VS auto-update.
* Removing the 'Microsoft.SymbolUploader.Build.Task' modifications; need to make a PR just for this.
* Change "sdk.*.Microsoft.DotNet.SDK.*.symbols.nupkg" to "runtime.*.Microsoft.DotNet.SDK.*.symbols.nupkg"; removing the 'DotNetRestore' on the Symbols.csproj
* Removing a 'todo' comment...
* Putting back the 'dotnet restore'
* Fixing a typo...
* Logical separation of the 'nupkg' from the 'symbols.nupkg' enumeration; fixed 'swr' pattern.
* Add "BLOBFEED_STORAGE_CONTAINER"
