Update CoreClr, CoreFx, ProjectNTfs, ProjectNTfsTestILC, Standard, WCF to preview2-26212-05, preview2-26212-05, beta-26212-00, beta-26212-00, preview1-26212-01, preview2-26212-01, respectively
Update CoreClr, CoreFx, ProjectNTfs, ProjectNTfsTestILC, Standard, WCF to preview2-26212-05, preview2-26212-05, beta-26212-00, beta-26212-00, preview1-26212-01, preview2-26212-01, respectively

ericstj/wcf,ericstj/wcf,StephenBonikowsky/wcf,KKhurin/wcf,mconnew/wcf,imcarolwang/wcf,dotnet/wcf,zhenlan/wcf,KKhurin/wcf,dotnet/wcf,StephenBonikowsky/wcf,imcarolwang/wcf,imcarolwang/wcf,mconnew/wcf,zhenlan/wcf,mconnew/wcf,dotnet/wcf