Merge pull request #3 from sanjeevdwivedi/master

Website redesign
Adding Windows Store Single Sign On
Facebook app based single sign on tutorial
Adding the left over change
Adding the location for the FacebookLoginSimulator
Updating SSO documentation for Windows 8 with code samples
Update about.md
Update about.md
Changing the background. Facebook is discontinuing the Facebook Technology partners program and wants us to take out the affiliation logo
Minor modification to logo
Adding AppLinks documentation