Added content to repo README.md
Added README.md to Forms Auth Web Api sample
Updated index.cshtml to be closer match to other samples and add heading, plus clarification in README.md about cookie expiry and redoing requested action
Update Basic Auth Filter to have heading in view and add README.md
Updated view to remove requested action as just complicated sample and added README
Added heading to view for sample and README
Added heading to view in Thinktecture Session Auth and add README