Updated the samples

- Pinned versions
- Locked NuGet.Config per sample set

Fixing version for System.Console

Clarified default dev branch

Merge branch 'UpdateBeta'

Conflicts:
	NuGet.Config
	README.md
	kvm.ps1
	kvm.sh
	samples/HelloMvc/project.json
	samples/HelloWeb/project.json

 Merging beta release changes

Updating master branch to have master feed

Update README.md

Updated kvm to the latest versions