Pointing dev branch scripts to point to the dev feed.

1. Modified nuget.config
2. Changed all kvm scripts to point to dev feed.
3. Modified readme to reflect the same.
Updating the home repo with the latest KVM scripts
Fixing samples
Merge pull request #147 from aspnet/fixsamples

Fixing samples to use IApplicationBuilder and aspnet50, aspnetcore50
Update README.md
Update README.md
Updated kvm build
Merge branch 'master' of https://github.com/aspnet/Home
Merge pull request #149 from stoyandimov/master

Fixes typo in the readme
Added TOC
Added basic repo list, plus link to full repo list
Changed repo link to the new wiki page
Merge pull request #157 from aspnet/dev

Merging
Updating master branch to have master feed
Updated readme with untap info
Merge branch 'master' of https://github.com/aspnet/Home