Add directory links for SR.cs files to they appear under the Resources folder in VS.
Merge pull request #143 from weshaggard/LinkSR

Add directory links for SR.cs files so they appear under the Resources folder in VS
Pointed to corefx contrib guide on wiki instead of microsoft/dotnet
Merge pull request #153 from davkean/master

Pointed to corefx contrib guide on wiki instead of microsoft/dotnet
Remove unnecessary allocations

While looking at string allocations in our code base,
I noticed a couple that can be trivially avoided in the XML libraries.
Merge pull request #151 from KrzysztofCwalina/dotnet2

Removes some string-related allocations from XML libraries