Move Microsoft.Framework.Project to Microsoft.Framework.PackageManager

[davidfowl]

Today we have k build and k crossgen, these commands should be in kpm so there's a clear separation between runtime and pack time. The new commands will be:

k: klr Microsoft.Framework.ApplicationHost [args]

k [command] [args] - Runs a command in the commands section
k run [args] - Runs the Program.Main entry point

kpm: klr lib\Microsoft.Framework.PackageManager\Microsoft.Framework.PackageManager.dll [args]

kpm restore - Restores packages
kpm build - build nuget packages (does not make sense for web applications)
kpm pack - packages an application for deployment
(*) kpm crossgen - generates native images for an application

(*) This needs some work to make it better. It's a stop gap.

This will break everything, KoreBuild will need an update as well as Visual Studio

[davidfowl]

kpm crossgen hasn't been done as yet. We need to figure out where that command should live.